SecurityCalendar.com

> 125 cities · verified oct 24, 2026

SecurityCalendar.com

Cybersecurity events and groups in 125 US cities

Conferences, meetups, professional chapters and hacker groups, each linked to its organizer and dated when it was verified.

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Alabama

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Alaska

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Arizona

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Arkansas

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District of Columbia

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Florida

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Georgia

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Idaho

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Illinois

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Indiana

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Iowa

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Kentucky

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New York

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Major national events

ISC2 Security Congress 2026

Sat, Oct 24 to Wed, Oct 28, 2026

Aurora, CO · Gaylord Rockies Resort & Convention Center

ConfirmedConferencePaid

isc2.org/congress

CYBERWARCON 2026

Fri, Nov 20, 2026

Arlington, VA · Hyatt Regency Crystal City

ConfirmedConferencePaid

cyberwarcon.com

CactusCon 15

Fri, Feb 5 to Sat, Feb 6, 2027

Mesa, AZ · Mesa Convention Center

ConfirmedConferencePaid

cactuscon.com

DistrictCon 2027

Sat, Feb 6 to Sun, Feb 7, 2027

Washington, DC · Capital Hilton

ConfirmedConferencePaid

districtcon.org

S4x27

Mon, Feb 8 to Thu, Feb 11, 2027

Tampa, FL · JW Marriott Tampa Water Street

ConfirmedConferencePaidVendor-hosted

s4xevents.com

Zero Trust World 2027

Wed, Feb 17 to Fri, Feb 19, 2027

Orlando, FL · Loews Meeting Complex at Universal Orlando

ConfirmedConferencePaidVendor-hosted

ztw.com

WiCyS 2027 Conference

Wed, Mar 17 to Fri, Mar 19, 2027

Aurora, CO · Gaylord Rockies Resort & Convention Center

ConfirmedConferencePaid

wicys.org/events/wicys-2027

IAPP Global Summit 2027

Sun, Mar 21 to Wed, Mar 24, 2027

Washington, DC · Marriott Marquis Washington, D.C. and Walter E. Washington Convention Center

ConfirmedConferencePaid

iapp.org/conference/global-privacy-summit

CypherCon 10

Wed, Mar 24 to Thu, Mar 25, 2027

Milwaukee, WI · Baird Center

ConfirmedConferencePaid

cyphercon.com

BSidesSF 2027

Sat, Apr 3 to Sun, Apr 4, 2027

San Francisco, CA · San Francisco (venue not stated on the organizer page)

ConfirmedConference

bsidessf.org

RSAC 2027 Conference

Mon, Apr 5 to Thu, Apr 8, 2027

San Francisco, CA · Moscone Center, 747 Howard St, San Francisco

ConfirmedConferencePaidVendor-hosted

rsaconference.com/usa

THOTCON 0xE

Fri, Jun 11 to Sat, Jun 12, 2027

Chicago, IL · Chicago (venue disclosed to attendees about 2 weeks before the event)

ConfirmedConferencePaid

thotcon.org

DEF CON 35

Thu, Aug 5 to Sun, Aug 8, 2027

Las Vegas, NV · Las Vegas Convention Center, West Hall

ConfirmedConferencePaid

defcon.org

InfoSec World 2027

Mon, Sep 20 to Wed, Sep 22, 2027

Aurora, CO · Gaylord Rockies Resort & Convention Center

ConfirmedConferencePaidVendor-hosted

infosecworldusa.com

Black Hat USA 2027

Usually held in late July or early August at Mandalay Bay Convention Center, Las Vegas; the organizer page could not be read to confirm 2027 dates

Las Vegas, NV · Mandalay Bay Convention Center

ExpectedConferencePaidVendor-hosted

blackhat.com/upcoming.html

Gartner Cybersecurity & Risk Management Summit 2027

Usually held in June at National Harbor, MD; the organizer page could not be read to confirm 2027 dates

National Harbor, MD · National Harbor

ExpectedSummitPaidVendor-hosted

gartner.com/en/conferences/na/security-risk-man…

Changes as of Oct 24, 2026

550 added, 24 dormant, 3 merged, 289 removed, 780 reverified, 716 updated

Albuquerque, NM: 16
  • Marked Security BSides Albuquerque active with last_activity 2026-09-26 after the September 25 and 26, 2026 edition.
  • Albuquerque Lowtechs Anonymous now lists October 29, 2026 as its only posted date.
  • DC505 still active by owner confirmation of 2026-09-25.
  • OWASP Albuquerque remains dormant; last meeting 2024-07-23.
  • ISACA New Mexico remains active on the 2026-04-29 listing.
  • InfraGard New Mexico moved from active to quiet (last activity 2026-04-01).
  • Quelab open house confirmed as every Wednesday, 7:00 p.m. to 9:00 p.m.
  • LoboSec remains quiet; latest posted result is 2025-12-03.
  • Cybersecurity Center at CNM is dormant: 553 days since the 2025-04-16 BOTS event.
  • Phish-Proof Founders ABQ remains active; last meeting 2026-08-12, no next date posted.
  • Removed Security BSides Albuquerque 2026 (September 25 and 26, 2026); the date has passed.
  • Removed Albuquerque Lowtechs Anonymous: September 2026 (September 24, 2026); the date has passed.
  • Albuquerque Lowtechs Anonymous October 29, 2026 confirmed, 6:00 p.m. to 10:00 p.m. at Poki Poki.
  • CNM Cybersecurity Awareness Fair and Tech Connect confirmed for October 21, 2026, 10:00 a.m. to 2:00 p.m.
  • AFRL Space Cyber Security Summit stays expected; source list reduced to the NewSpace Nexus page.
  • Added Security BSides Albuquerque 2027 as expected (dates not announced).
Anaheim, CA: 63
  • ISSA Orange County last_activity moved to 2026-09-24 (Cyber Industry Career Night, Fullerton College); chapter lunch meeting posted for 2026-10-27 in Irvine.
  • ISACA Orange County last_activity moved to 2026-10-15 (joint GRC session with IIA OC, Fountain Valley); no later events posted as of October 22, 2026.
  • OWASP Orange County still active on the strength of the 2026-06-24 joint meeting; nothing newer confirmed.
  • CSA Orange County still active; last meeting 2026-09-23, next meeting 2026-10-28.
  • IAPP KnowledgeNet Orange County kept active with last_activity 2026-08-12.
  • HTCIA Southern California last_activity moved to 2026-10-19 (SoCalSec social, Fullerton); SoCalSec socials on 2026-11-16 (Placentia) and 2026-12-14 (Anaheim) added as events.
  • DC714 still active (2nd Wednesday monthly except January and August); last_activity stays 2026-06-10.
  • OC2600 still active; Meetup lists first-Friday socials on 2026-11-06, 2026-12-04, 2027-01-01 and 2027-02-05.
  • Irvine Underground still active; next meeting 2026-11-13 at Blue Hummingbird Coffee and Kitchen, Irvine.
  • 23b Shop still active; weekly online Hacker Happy Hour continues and the in-person shopluck is the first Friday.
  • Orange County Cybersecurity Meetup group remains dormant; last event 2023-07-27.
  • WSC SoCal still active (owner: every WSC chapter is active); last_activity stays 2026-09-19.
  • Cyber@UCI last_activity moved to 2026-10-14; remaining fall 2026 events re-dated from the club calendar.
  • OSS CSUF stays quiet with last_activity 2026-02-28.
  • SWIFT stays quiet with last_activity 2026-03-14 (Tech Symposium).
  • Fullerton College Hornet Security Education Center now active; last_activity 2026-09-24.
  • Coastline College stays quiet with last_activity 2026-01-31.
  • Added OC Locksport as dormant (last event 2024-11-03).
  • Cyber Industry Career Night (2026-09-24) has passed.
  • California Technology Summit 2026 (2026-10-07) has passed; the 2027 edition is added.
  • Beyond Boundaries: Future of GRC (2026-10-15) has passed.
  • WSC SoCal DevSecOps workshop (2026-10-03) has passed.
  • OSSCON expected-date entry replaced by osscon-2027; no 2026 edition was announced.
  • Cyber@UCI: ICS Bonfire has passed.
  • Cyber@UCI: Veeva Information Session (with DCP and WICS) has passed.
  • Cyber@UCI: Hacking into Cybersecurity: Intro to Cyber@UCI has passed.
  • Cyber@UCI: Intern Panel has passed.
  • Cyber@UCI: Meet the Subteams has passed.
  • Cyber@UCI: CCDC Intro Meeting has passed.
  • Cyber@UCI: Technical Resume Writing (with DCP) has passed.
  • Cyber@UCI: OSINT Scavenger Hunt has passed.
  • Cyber@UCI: The Weakest Link: Password Cracking has passed.
  • Cyber@UCI: CCDC Mock #1 still dated 2026-10-24.
  • Cyber@UCI: Hacking Python: Escaping PyJails now dated 2026-10-28 (was 2026-10-29).
  • Cyber@UCI: CCDC Invitationals #2 still dated 2026-10-31.
  • Cyber@UCI: Cybersecurity Puzzles: Flash CTF Event now dated 2026-11-04 (was 2026-11-05).
  • Cyber@UCI: CCDC Tryouts still dated 2026-11-07.
  • Cyber@UCI: Guest Speaker: Steven Doran (JPL) now dated 2026-11-11 (was 2026-11-12).
  • Cyber@UCI: Hacking AI: Jailbreaking LLMs now dated 2026-11-18 (was 2026-11-19).
  • Cyber@UCI: Game Night now dated 2026-11-25 (was 2026-11-26).
  • Cyber@UCI: Cyber@UCI Showcase now dated 2026-12-02 (was 2026-12-03).
  • ChannelPro DEFEND: Anaheim still 2026-11-09 to 2026-11-10 at Hotel Fera Anaheim; access now free with qualification.
  • Southern California Public Sector Cybersecurity Summit still 2026-11-12 at the Hilton Long Beach.
  • FutureCon Los Angeles Cybersecurity Conference 2027 still 2027-03-31.
  • FutureCon Orange County Cybersecurity Conference 2027 still 2027-07-28.
  • SANS Security West 2027 still 2027-05-10 to 2027-05-15 in San Diego.
  • LayerOne 2027 still expected; no 2027 dates posted.
  • SWIFT Tech Symposium still expected; the site shows only Saturday 2026-03-14.
  • Planet Cyber Sec AI Virtual Summit still 2026-11-04.
  • Planet Cyber Sec AI Conference, Orange County now confirmed for 2027-03-03 (was announced-tba, February 2027).
  • Added Planet Cyber Sec AI AppSec Conference, Los Angeles (2027-06-09).
  • Added California Technology Summit 2027 (October 2027, day not announced).
  • Added OSSCON as an expected event with no date.
  • Added ISSA OC chapter meeting on Surviving and Thriving During Security Assessments (2026-10-27, Irvine).
  • Added CSA Orange County meeting with Arcon (2026-10-28, Irvine).
  • Added SoCalSec November 2026 social (2026-11-16, Placentia).
  • Added SoCalSec December 2026 social (2026-12-14, Anaheim).
  • Added ISACA OC GRC Summit as expected (2026 edition held 2026-06-02).
  • Added EnergySec Security and Compliance Summit 2027 (2027-08-16 to 2027-08-18, Disneyland Resort).
  • Added FutureCon San Diego (2026-11-05).
  • Added San Diego CyberCon 2026 (2026-11-13).
  • Added ISC2 SECURE Los Angeles 2026 (2026-12-10).
  • Added GPSEC SoCal 2027 (2027-03-25, Irvine).
Anchorage, AK: 12
  • InfraGard Alaska moved from active to quiet; its newest listed members meeting remains April 8, 2026.
  • ISACA Anchorage Chapter remains quiet with last_activity 2025-05-21; added the chapter events calendar as a source.
  • ArcticShield schedule text now says AKDev meets on the third Thursday of each month; added the November 19, 2026 event page as a source.
  • DC907 re-checked; last_activity stays 2025-09-20 and the owner's confirmation of 2026-09-25 is unchanged.
  • Removed ArcticCon 2026 (October 14 to 15, 2026), which has passed; rolled forward as ArcticCon 2027.
  • Added ArcticCon 2027 as an expected annual conference with dates not yet announced.
  • Removed Alaska Digital Government Summit 2026 (October 8, 2026), which has passed; rolled forward as the 2027 entry.
  • Added Alaska Digital Government Summit 2027 as an expected edition with dates not yet announced.
  • AKDev Meetup on November 19, 2026, 6:00 p.m. to 8:00 p.m., re-checked; source changed to the event's own page.
  • INTERFACE Anchorage 2027 stays announced-tba; no date posted.
  • C2, Cyber & IT Forum on June 3, 2027 stays confirmed; access changed to vetting-required only and the aggregator link updated.
  • Alaska Cyber Group Annual Conference 2027 stays expected; no 2027 dates posted.
Arlington, TX: 50
  • Updated Cybersecurity Club at UT Arlington (CSEC): last meeting October 16, 2026.
  • Updated Tarrant County College Cybersecurity Program: in-person Bot Boost workshop held October 19, 2026 at TCC Southeast.
  • Updated BSides DFW: 2026 venue announced as UT Arlington.
  • Updated Dallas Hackers Association: last meeting October 7, 2026.
  • Reverified DC214 (DEF CON Group Dallas).
  • Updated Dallas 2600: last meeting October 2, 2026.
  • Updated North Texas ISSA: Oct 9 lunch and Oct 28 hands-on AI night.
  • Updated ISACA North Texas: October 23 meeting is on hold.
  • Updated ISC2 Chapter for DFW: online program on October 30, 2026.
  • Reverified OWASP Dallas.
  • Reverified InfraGard North Texas Members Alliance.
  • Reverified WiCyS Dallas Fort Worth (DFW) Affiliate.
  • Reverified Cyversity North Texas Chapter.
  • Updated IAPP KnowledgeNet Dallas: next meeting November 3, 2026.
  • Reverified Women's Society of Cyberjutsu Dallas.
  • Reverified TCU Cybersecurity Club.
  • Updated SecureWorld Dallas: 2026 conference held October 8, 2026.
  • Reverified SANS Institute training events (Dallas area).
  • Updated CYBR.HAK.CON: 2027 edition set for February 25, 2027 in Irving.
  • Added WoSEC Dallas: Women of Security.
  • Added North DFW 2550 Meetup (DFW2600).
  • Added North Texas Cyber Security Group (NTXCSG).
  • Added DC940 (DEF CON Group Denton).
  • Added North Texas CMMC Meetup.
  • Added LibreTechnica (formerly CryptoParty DFW).
  • Added ASIS North Texas Chapter 10.
  • Added Minorities in Cybersecurity (MiC).
  • Added UT Dallas Computer Security Group (CSG).
  • Added Collin College Cybersecurity Program.
  • Added Cybersecurity Venturing Crew 1024 (North Texas ISSA).
  • Added University of Dallas Center for Cybersecurity.
  • Removed CSEC: CVEs 101, Understanding Vulnerabilities in the Wild (past).
  • Removed Secure Dallas 2026 (past).
  • Removed SecureWorld Dallas 2026 (past).
  • Removed Bot Boost: Cybersecurity for Students (TCC Southeast) (past).
  • Removed North Texas ISSA Lunch and Learn: Deepfakes (joint with InfraGard) (past).
  • Removed North Texas ISSA Cybersecurity Conference 13 (CSC13) (past).
  • Reverified The Official Cybersecurity Summit: Dallas (October 2026) (October 29, 2026).
  • Reverified SANS Dallas 2026 (December 7 to 12, 2026).
  • Updated BSides DFW 2026 (November 7, 2026): venue is Nedderman Hall, UT Arlington.
  • Added Brivo 2026 Global Cloud Security Summit (October 26 to 29, 2026).
  • Added North Texas ISSA Hands-On AI Night (October 28, 2026).
  • Added ISC2 Chapter for DFW online program (October 30, 2026).
  • Added 2026 UDallas Cyber Summit (October 22, 2026).
  • Added Women of Security: October Meetup (October 27, 2026).
  • Added IAPP KnowledgeNet Dallas meeting (November 3, 2026).
  • Added InfraGard North Texas FBI case studies day (November 12, 2026, tentative).
  • Added FutureCon Dallas 2027 (January 20, 2027).
  • Added CYBR.HAK.CON 2027 (February 25, 2027).
  • Added MiC Annual Conference 2027 (March 21 to 25, 2027).
Atlanta, GA: 46
  • DC404 last_activity moved to 2026-10-17; notes list the October 17, 2026 meeting.
  • Atlanta 2600 last_activity moved to 2026-10-02; the group now meets at Sandbox.
  • DC770 last_activity moved to 2026-10-06.
  • Atlanta LockSport still lists first Saturdays and a lock pick village at DC404 meetings.
  • BlackHack Society last_activity moved to 2026-10-20; notes cover the October 1 and October 20, 2026 meetings.
  • Acropolis Guard last_activity moved to 2026-10-18.
  • OWASP Atlanta last_activity moved to 2026-10-15 (online session).
  • ISSA Metro Atlanta still meets in Midtown on fourth Thursdays; October 22, 2026 meeting is on Zoom.
  • ISACA Atlanta still active from the April 28 to 30, 2026 Geek Week.
  • ISC2 Atlanta kept active on the September 24, 2026 SecureWorld chapter meeting.
  • CSA Atlanta last_activity moved to 2026-10-01 after the quarterly meeting.
  • IAPP KnowledgeNet Atlanta stays quiet with last_activity 2026-02-05.
  • InfraGard Atlanta Members Alliance kept active from the July 15, 2026 event.
  • Cyversity Atlanta kept active from the September 24, 2026 chapter meeting.
  • WiCyS Georgia Affiliate remains dormant (last dated event June 15, 2023).
  • WSC Atlanta stays active by owner confirmation of 2026-10-02.
  • GreyHat @ GT still lists weekly fall 2026 general and CTF meetings.
  • Cyber Security Social Club - ATL remains dormant (last event February 23, 2022).
  • ACE678 stays active by owner confirmation of 2026-09-25.
  • BSides Atlanta marked active with last_activity 2026-10-03 after the October 3, 2026 edition.
  • SecureWorld Atlanta kept active from the September 24, 2026 edition.
  • Removed SecureWorld Atlanta 2026 (held September 24, 2026).
  • Removed the OWASP Atlanta social media AppSec meeting (September 24, 2026).
  • Removed Converged Security Summit 2026 (September 29, 2026).
  • Removed The Official Cybersecurity Summit: Atlanta fall edition (September 30, 2026).
  • Removed the IAPP KnowledgeNet Atlanta meeting of September 30, 2026.
  • Removed the CSA Atlanta quarterly meeting of October 1, 2026.
  • Removed BSides Atlanta 2026 (October 3, 2026).
  • Removed Hacker Halted 2026 (October 8 to 9, 2026).
  • The Official Cybersecurity Summit: Atlanta (February 4, 2027) now has its venue, Grand Hyatt Atlanta in Buckhead, and a new URL.
  • FutureCon Atlanta still set for December 3, 2026 at the Atlanta Marriott Northwest at Galleria.
  • K12 SIX National K-12 Cybersecurity Conference set for February 17 to 19, 2027 at the Grand Hyatt Atlanta in Buckhead.
  • Level Zero 2027 (April 26 to 30, 2027) now records the October 31, 2026 early-bird deadline.
  • Georgia Public Sector Cybersecurity Summit now confirmed for March 25, 2027 at the Courtland Grand Hotel.
  • GLET CyberCon Georgia 2027 stays expected; the 2026 edition was March 9 and 10, 2026.
  • ISACA Atlanta Geek Week 2027 stays expected; 2026 ran April 28 to 30.
  • Added the ISSA Metro Atlanta chapter meeting on October 22, 2026 (online, 7:00 p.m.).
  • Added the ISSA Metro Atlanta sponsor-hosted Tools & Tech meeting as announced-tba (November 12 at 6:30 p.m., year not shown).
  • Added BlackHack Society and Sandbox Atlanta CTF Training for First-timers (October 29, 2026).
  • Added Cobb Cybersecurity Day 2026 (October 30, 2026, Marietta).
  • Added the Atlanta Cybersecurity & AI Conference 2026 (November 4, 2026).
  • Added the OWASP Atlanta meeting of November 19, 2026.
  • Added the Atlanta Cybersecurity Holiday Party (December 8, 2026).
  • Added Hacker Halted 2027 (October 14 to 15, 2027; training October 10 to 13, 2027).
  • Added BSides Atlanta 2027 as expected; dates not announced.
  • Added SecureWorld Atlanta 2027 as expected; dates not announced.
Aurora, CO: 49
  • Denver ISSA: last meeting now October 14, 2026; November 11, 2026 sessions posted.
  • ISACA Denver: October 13 and November 19, 2026 meetings posted.
  • ISC2 Denver: changed from dormant to active; in-person meeting held July 29, 2026 in Centennial.
  • OWASP Denver: still active; latest meetups September 17 and 18, 2026.
  • CSA Colorado: October 20, 2026 meetup held at 1125 17th Street, Denver.
  • DC303: last meeting September 25, 2026; November 13, 2026 talk added.
  • DenverSec: October 21, 2026 meetup held.
  • Denver 2600: still listed; no confirmed recent meeting.
  • BSides Denver: 2026 edition held September 11, 2026; no 2027 date.
  • BSides Boulder: 2026 edition held June 13, 2026; no 2027 date.
  • WiCyS Colorado: no dated events on the affiliate site; quiet.
  • Cyversity Denver: chapter still listed; quiet.
  • Colorado = Security: still active; Security Leader Summit 7 posted for April 23, 2027.
  • IdentiBeer Denver: meetup moved to October 14, 2026 at The Cherry Cricket, Denver.
  • Northside Cyber: Oktoberfest meetup held October 15, 2026 in Northglenn.
  • SecureWorld Denver: 2026 edition held October 1, 2026; marked active.
  • SANS Rocky Mountain: 2027 edition still July 26 to 31, 2027.
  • DU Cyber Club: weekly Thursday 6:00 p.m. meetings in Ritchie School room 357; new club URL.
  • InfraGard Denver: owner-confirmed active; no public event dates.
  • Added OWASP Boulder Chapter.
  • Added DC720 (Boulder County DEF CON Group).
  • Added denhac LockSport.
  • Added MSU Denver WiCyS Student Chapter.
  • ISC2 Security Congress 2026 stays October 24 to 28, 2026.
  • Executive Women's Forum 2026 stays November 4 to 6, 2026.
  • WiCyS 2027 (March 17 to 19, 2027): past deadlines removed.
  • DC303 talk on December 11, 2026 confirmed.
  • DC303 talk on January 22, 2027 confirmed.
  • RMISC 2027 (May 11 to 13, 2027): call for speakers closes December 21, 2026.
  • SANS Rocky Mountain 2027 confirmed for July 26 to 31, 2027.
  • CSA Colorado Holiday Party stays December 11, 2026.
  • SnowFROC 2027 still has no date.
  • BSides Denver 2027 still expected.
  • BSides Boulder 2027 still expected.
  • BSides Colorado Springs remains postponed with no date.
  • Removed ISACA Denver CommunITy Day (October 3, 2026).
  • Removed SecureWorld Denver 2026 (October 1, 2026).
  • Removed DC303 talk of September 25, 2026.
  • Removed DC303 talk of October 16, 2026.
  • Removed IdentiBeer Denver of October 7, 2026.
  • Removed WiCyS Summit Across Colorado (UCCS, Colorado Springs).
  • Added Denver ISSA November chapter meeting (November 11, 2026).
  • Added ISACA Denver November chapter meeting (November 19, 2026).
  • Added DC303 DMA Attacks talk (November 13, 2026).
  • Added Boulder OWASP meetup (October 27, 2026).
  • Added MSU Denver WiCyS group study (October 28, 2026, online).
  • Added Security Leader Summit 7 (April 23, 2027).
  • Added The Official Cybersecurity Summit: Denver 2027 (June 16, 2027).
  • Added USENIX Security Symposium 2027 (August 11 to 13, 2027).
Austin, TX: 43
  • DC512 last_activity is now 2026-10-05; the next listed meetup is November 2, 2026 (Halloween edition).
  • ATX 2600 last_activity is now 2026-10-02; Meetup lists meetings through August 6, 2027.
  • AHA! still meets on the last Thursday; the meetings page lists October 29, November 19 and December 17, 2026.
  • Longhorn Lockpicking Club last_activity is now 2026-10-17.
  • OWASP Austin last_activity is now 2026-09-29 (chapter meeting).
  • Austin ISSA now lists a January 20, 2027 quarterly meeting.
  • ISACA Austin remains quiet; its chapter events list shows virtual webinars on November 4 and December 10, 2026 and the TechNexus Austin conference on November 18, 2026.
  • CSA Austin last_activity is now 2026-07-30 (happy hour); the September 23, 2026 happy hour date was not re-confirmed.
  • WiCyS Austin last_activity is now 2026-07-16; the Cybersecurity Walk and Talk moved to October 24, 2026.
  • Cyversity Austin remains active on the owner's confirmation of 2026-09-25; it co-hosts the October 24, 2026 Walk and Talk.
  • InfraGard Capital of Texas is now dormant: the latest dated chapter meeting found is April 10, 2025.
  • UT ISSS last_activity is now 2026-10-16 (Disney CTF).
  • AI Security Engineers Austin remains active; Chapter Four is November 3, 2026.
  • Austin AI Security Meetup Group remains quiet; no meetup since January 27, 2026.
  • Austin Cybersecurity Collective remains quiet; its last own event was August 20, 2025.
  • BSides Austin remains dormant; the organizer still says it is on hold.
  • Austin DFIR remains dormant; the last event was July 7, 2020.
  • Austin Cybersecurity Meetup last_activity is now 2020-08-26 (the last online event).
  • Added ISC2 Austin Chapter (monthly online meetings; in-person meeting November 18, 2026).
  • Removed the OWASP Austin chapter meeting of September 29, 2026 (date passed).
  • Removed Lone Star Cyber Summit 2026 (October 20 to 21, 2026; ended).
  • Removed the Austin ISSA October 21, 2026 quarterly meeting (date passed).
  • Cybersecurity Walk and Talk is now listed for Saturday, October 24, 2026 (earlier research recorded October 3).
  • LASCON 2026 confirmed for October 29 to 30, 2026, with training on October 27 to 28.
  • AI Security Engineers Austin Chapter Four stays on November 3, 2026.
  • TechNexus Austin stays on November 18, 2026 at the Hyatt Regency Austin.
  • AHA! November meeting stays on November 19, 2026.
  • AHA! December meeting stays on December 17, 2026.
  • FutureCon Austin stays on December 10, 2026 at the Austin Southpark Hotel.
  • IntelliC0N 2027 stays on February 19 to 20, 2027 at Station Austin.
  • TEEX Cyber Readiness Summit stays on March 2 to 4, 2027 in Bryan.
  • The Official Cybersecurity Summit Austin stays on May 27, 2027; venue still to be announced.
  • InnoTech Austin 2027 is still expected in spring; no 2027 date is posted.
  • Texas DIR Information Security Forum 2027 remains expected; no 2027 date is posted.
  • SANS Austin 2027 stays on June 21 to 26, 2027 at the Omni Austin Hotel Downtown.
  • Added Austin ISSA January 2027 Quarterly Meeting (2027-01-20).
  • Added ISC2 Austin Chapter November 2026 Meeting (in person) (2026-11-18).
  • Added Texas Cyber Command Cybersecurity Awareness Month Capitol Event (2026-10-29).
  • Added Texas State University: Think Before You Prompt, Cybersecurity in the Age of AI (2026-10-28).
  • Added AI & IT Security Summit Texas 2027 (TechWiser X US South Edition) (2027-09-23).
  • Added BSides SATX 2027 (2027-06-11 to 2027-06-12).
  • Added St. Philip's College Cyber Fiesta (Cybersecurity Education Conference) (2027-04-08).
  • Added Billington Critical Infrastructure CyberSecurity Summit 2026 (2026-11-17 to 2026-11-18).
Bakersfield, CA: 7
  • Kern County ISSA still lists the Wednesday, September 2, 2026 meeting as its latest; last_activity stays 2026-09-02.
  • Bakersfield (CS)²AI group: last_activity moved to 2026-10-21 and membership to 286.
  • NextTech Kern (Wednesday, October 28, 2026): registration is now $95 per person and the late-fee deadline was removed.
  • Kern County ISSA December 2 quarterly meeting remains announced without a confirmed year or venue.
  • Removed the (CS)²AI Online seminar of 2026-09-30.
  • Added (CS)²AI Online Symposium: Cybersecurity of Smart Buildings (2026-10-28, online).
  • Added the CSJVCC Summit (Wednesday, September 22, 2027, Fresno area) as a regional event.
Baltimore, MD: 44
  • Reverified ISSA Central Maryland; meetings listed for October 28, November 18 and December 16, 2026.
  • Updated DC443 last activity to October 9, 2026.
  • Updated Unallocated Space last activity to October 14, 2026.
  • Updated TOOOL Maryland last activity to October 14, 2026.
  • Updated ISACA Central Maryland notes and sources; added the November 11, 2026 virtual training.
  • Updated ISC2 Annapolis Junction: last activity September 24, 2026; meetings run on Zoom.
  • Updated BSidesCharm notes and sources; organizer site now readable.
  • Updated Cybersecurity Association last activity to September 30, 2026.
  • Changed WiCyS Mid-Atlantic Affiliate status to quiet; last activity stays April 11, 2026.
  • Updated Women's Society of Cyberjutsu DMV last activity to October 10, 2026.
  • Updated UMBC CyberDawgs last activity to October 19, 2026.
  • Reverified Baltimore Hackerspace; weekly Wednesday open hack night stated on its site.
  • Reverified DevSecOps Hub: Baltimore as dormant (last event September 19, 2018).
  • Added IAPP KnowledgeNet Baltimore.
  • Added ISC2 Aberdeen Chapter (online only).
  • Removed: the September 25, 2026 meeting has passed.
  • Removed: the October 9, 2026 meeting has passed.
  • Removed: the September 30, 2026 awards night has passed.
  • Removed: the October 3, 2026 exercise has passed.
  • Removed: the October 10, 2026 session has passed.
  • Removed: the October 20, 2026 happy hour has passed (now the chapter's last activity).
  • Reverified DC443 meeting on 2026-10-23.
  • Reverified DC443 meeting on 2026-11-06.
  • Reverified DC443 meeting on 2026-11-20.
  • Reverified DC443 meeting on 2026-12-04.
  • Reverified ISSA Central Maryland meeting on 2026-10-28.
  • Reverified ISSA Central Maryland meeting on 2026-11-18.
  • Reverified ISSA Central Maryland meeting on 2026-12-16.
  • Added the November 13, 2026 registration rate change to SSR 2026.
  • Changed FutureCon Baltimore (February 11, 2027) access to approval required.
  • Updated AFCEA TechNet Cyber 2027 (May 11 to 13, 2027) to the 2027 event site.
  • Reverified SANS Baltimore 2027 (May 17 to 22, 2027).
  • BSidesCharm 2027 (April 24 to 25, 2027) now shows its venue, Sheraton Baltimore North in Towson.
  • Reverified The Official Cybersecurity Summit: Baltimore as expected for spring 2027.
  • Global Cyber Innovation Summit now confirmed for March 3 to 4, 2027.
  • Confirmed BSides NoVA 2026 (October 30 to 31) venue and paid tickets.
  • Updated BSides Delaware 2026 (November 13 to 14) venue name and sources.
  • Added ISC2 Annapolis Junction 2026 Annual Meeting (2026-10-29).
  • Added ISC2 Annapolis Junction Chapter Meeting (2026-11-19).
  • Added ISC2 Annapolis Junction Chapter Meeting (2026-12-17).
  • Added ISACA-CMC November 2026 Virtual Training (2026-11-11).
  • Added Maryland Cyber Summit 2027 (2027-05-04).
  • Added ISC2 Aberdeen: Evening Study, CISSP Domain 7 (2026-11-10).
  • Added ISC2 Aberdeen: Lunch and Learn, CISSP Domain 8 (2026-12-08).
Baton Rouge, LA: 20
  • DC225 remains active; last_activity stays 2026-09-19.
  • TOOOL Baton Rouge changed from active to quiet; last meeting stays 2026-04-18.
  • BRSec last_activity moved to 2026-10-21 after the MajorKey-sponsored meetup.
  • ISACA Baton Rouge Chapter remains active; last_activity stays 2026-05-02.
  • ISC2 Central Gulf Coast Chapter changed from quiet to active with last_activity 2026-06-25.
  • InfraGard Louisiana remains active; last_activity stays 2026-05-28.
  • LSU Cyber Lecture Series last_activity moved to 2026-10-19 (Darrell Miller talk).
  • Security Society at LSU remains active; Friday 6:00 p.m. meetings, last_activity stays 2026-09-04.
  • Removed the Security Society at LSU guest talk of September 25, 2026.
  • Removed the LSU Cyber Lecture of September 28, 2026 (Benjamin Lampe).
  • Removed the ISC2 Central Gulf Coast OPSEC 101 session of October 22 at Rally Cap Brewing.
  • A Spooky Cybersecurity Lunch & Learn on October 27, 2026 still listed.
  • CIPRNA 2027 still March 16 to 18, 2027 at L'Auberge, Lake Charles.
  • BSides NOLA 2027 now confirmed for May 11, 2027 (was announced-tba); early discounted ticket block ends March 5, 2027.
  • NolaCon 2027 remains expected; no 2027 dates posted.
  • Louisiana Digital Government Summit 2027 remains expected; no 2027 dates posted.
  • Added LSU Cyber Lecture Series: Jimmy Wylie on November 9, 2026.
  • Added LSU Cyber Lecture Series session of November 16, 2026 (speaker to be announced).
  • Added Transformational CISO Assembly, December 1 to 2, 2026, New Orleans (regional, vetted attendees).
  • Added NICE K12 Cybersecurity Education Conference, March 7 to 9, 2027, New Orleans (regional).
Boise, ID: 16
  • Boise ISSA: last_activity moved to 2026-10-01 (October 1, 2026 lunch held); sources now include the November 2026 page.
  • Added ISACA Boise Chapter (quiet; last in-person event January 21, 2026; virtual event November 3, 2026).
  • OWASP Boise: still quiet; last meeting September 25, 2025.
  • BSides Boise: still dormant; last edition April 27, 2024.
  • Idaho 2600: still dormant (owner-confirmed); last meeting March 6, 2026.
  • InfraGard Idaho: still dormant; calendar ends in 2021.
  • Boise CyberSecurity Meetup: status changed from active to quiet; last meeting still April 9, 2026.
  • AWS Boise User Group: still active; last meeting August 26, 2026.
  • Idaho AWS User Group: still quiet; last meetup November 12, 2025.
  • Removed the Boise ISSA October meeting (October 1, 2026).
  • Added the Boise ISSA November meeting (November 5, 2026).
  • Added the ISACA Boise virtual CPE event (November 3, 2026).
  • 24th Boise ISSA conference (March 9, 2027): sources and notes revised; volunteer deadline March 5, 2027 now sourced from the volunteers page.
  • IOEM conference (December 8 to 10, 2026): unchanged; registration closes November 1, 2026.
  • Hackfort 2027 (April 2 to 3, 2027): notes revised with the ticket situation and open call for submissions.
  • INTERFACE Boise 2027: still announced-tba with no date.
Boston, MA: 56
  • Boston Security Meetup last_activity is now 2026-10-15 (October meetup at Microsoft NERD, Cambridge).
  • Boston Hackers last_activity is now 2026-10-01; the next meetup is 2026-12-03.
  • DC617 stays active with last_activity 2026-04-29.
  • 2600 Boston last_activity is now 2026-10-02.
  • OWASP Boston last_activity is now 2026-10-14 (October meeting at Microsoft NERD).
  • ISSA New England notes now mention the in-person Sponsor Showcase on 2026-10-30 in Stow.
  • ISACA New England notes now list the November 4 and December 10, 2026 online webinars.
  • ISC2 Eastern Massachusetts stays active with last_activity 2026-09-24.
  • CSA Boston is now quiet: last_activity 2026-04-08 is 197 days before 2026-10-22.
  • IAPP KnowledgeNet Boston now lists meetings on 2026-10-28, 2026-10-29 and 2026-11-09.
  • HTCIA New England stays active (owner confirmed 2026-09-25); last dated event 2025-04-08.
  • InfraGard Boston stays active with last_activity 2026-09-10.
  • MassCyberCenter notes now reference its current ecosystem calendar; last_activity stays 2026-05-13.
  • WiCyS Massachusetts stays active (owner confirmed 2026-09-25); last dated event 2025-03-13.
  • MassBay cybersecurity program stays active with last_activity 2026-06-11.
  • AI Security Engineers - Boston last_activity is now 2026-10-08; the next meetup is 2026-11-12.
  • bAWSton AWS User Group stays active with last_activity 2026-09-03.
  • New England Cyber Golf Network last_activity is now 2026-10-08.
  • Cambridge Hackspace last_activity is now 2026-10-20 (Tuesday Open Project Night).
  • BSides CambridgeMA notes now say registration for 2026-10-25 is closed.
  • SecureWorld Boston is now quiet (last_activity 2026-04-09, 196 days) and points to the 2027 page.
  • Layer 8 Conference stays active with last_activity 2026-06-06.
  • TOOOL Boston stays dormant (last_activity 2021-04-18).
  • National Information Security Group (NAISG) Boston stays dormant (last_activity 2016-03-08).
  • Boston Security Group stays dormant (last_activity 2016-03-10).
  • Added AI Safety Awareness Group Boston (last event 2026-09-29).
  • Removed IAPP Boston September Coffee Chat (2026-09-29).
  • Removed Boston Hackers October Meetup: Lockpicking Workshop (2026-10-01).
  • Removed The Official Cybersecurity Summit: Boston (fall 2026) (2026-10-08).
  • Removed AI Security Night - Boston (2026-10-08).
  • Removed IAPP Boston Bocce and Boos (2026-10-13).
  • BSides CambridgeMA 2026 (2026-10-25) notes now say registration is closed.
  • Massachusetts Public Sector Cybersecurity Summit (2026-10-29) access changed from vetting-required to free for the public sector (free and vetting-required).
  • FutureCon Boston (2026-11-19) re-read; date and venue unchanged.
  • ISC2 Eastern Massachusetts December 3, 2026 event still has no venue, time or topic.
  • BASC 2027 (2027-04-03): removed the passed early-bird deadline and noted a time discrepancy.
  • The Official Cybersecurity Summit: Boston (2027-04-29) now has a time and a second organizer source.
  • MinuteCon 2027 (2027-04-30 to 2027-05-01): call for papers is now open; the CFP-opens deadline was removed.
  • HealthSec USA Summit 2027 (2027-06-01 to 2027-06-02): early-bird deadline corrected to 2027-04-01; venue still not announced.
  • SecureWorld Boston 2027 is now confirmed for 2027-04-28 to 2027-04-29 at the Hynes Convention Center.
  • Layer 8 Conference 2027 stays expected; dates not announced.
  • Towerwall Cybersecurity Summit at MassBay 2027 stays expected; no 2027 date announced.
  • Added Rogue AI Agents: OWASP and hands-on security workshop (2026-10-22).
  • Added IAPP Boston October Coffee Chat (2026-10-28).
  • Added IAPP Boston: The Quantum Clock is Ticking, Managing "Harvest Now, Decrypt Later" (2026-10-29).
  • Added IAPP Boston: No Reasonable Expectation? Privacy in Public Places (2026-11-09).
  • Added AI Security Meetup and Mixer for Developers and Startups (2026-10-28).
  • Added ISSA New England Sponsor Showcase Meeting (2026-10-30).
  • Added AI Security Night Boston (2026-11-12).
  • Added CISO Boston Summit (2026-11-17).
  • Added Boston Hackers December Meetup: OSINT talk (2026-12-03).
  • Added SANS Boston 2027 (2027-03-01).
  • Added Massachusetts Municipal Cybersecurity Summit 2027 (date not announced).
  • Added Boston Conference on Cybersecurity 2027 (date not announced).
  • Added The Official Cybersecurity Summit: Boston (fall 2027) (2027-10-14).
  • Added BSides Maine 2027 (2027-06-05).
Buffalo, NY: 21
  • Infosec 716: last meeting now October 14, 2026; most meetings described as online with in-person meetings at Bit Haven.
  • Bit Haven Hackerspace: last activity now October 16, 2026; Friday hangouts and Python class confirmed through November 2026.
  • BSides Buffalo re-listed; fifth edition held June 6, 2026.
  • InfraGard Buffalo moved from active to quiet; last activity now September 24, 2025.
  • ISACA Western New York re-listed as quiet; last event May 8, 2025.
  • IAPP KnowledgeNet Western New York re-listed as quiet; last meeting November 20, 2025.
  • UBNetDef re-listed; owner_confirmed_active of September 25, 2026 carried over unchanged.
  • UBSEC last activity now October 15, 2026.
  • Removed the October 14, 2026 Infosec 716 meeting.
  • Infosec 716 November Pre-Holiday Meetup on November 18, 2026 re-listed.
  • Removed the October 1, 2026 Python for Hackers session.
  • Added Python for Hackers on October 29, 2026.
  • Added Happy Hack-o-ween! at Bit Haven on October 30, 2026.
  • UB Lockdown on October 24, 2026 re-listed.
  • UB Lockdown for High School on November 14, 2026 re-listed.
  • BSides Buffalo 2027 stays expected (early June).
  • Removed Rochester Security Summit 2026 (October 14 to 15, 2026).
  • Added Rochester Security Summit 2027 as expected, in October.
  • Removed BSides Toronto 2026 (October 3 to 4, 2026).
  • Removed SecTor 2026 (October 6 to 8, 2026).
  • BSidesROC on March 20, 2027 re-listed.
Cape Coral, FL: 14
  • Reverified SWFLSec (DEF CON Group Fort Myers); last_activity stays July 2, 2026.
  • Reverified SWFL Makers Guild; last event August 23, 2026.
  • Reverified BSides SWFL as quiet; no 2026 or 2027 edition confirmed.
  • Reverified OWASP Bonita Springs as dormant (last announced meetup January 16, 2024).
  • Reverified FSW Cyber Club as dormant (latest dated activity February 25, 2025).
  • Added ISACA South Florida Chapter (quiet; last dated event February 27, 2026).
  • Removed Tech or Treat (October 13, 2026) because its date has passed.
  • BSides St. Pete 2027 (February 5 to 6, 2027) reverified; notes now say the page states no ticket price.
  • S4x27 (February 8 to 11, 2027, Tampa) reverified; notes now describe ticket blocks.
  • Innovate Marco Island (May 16 to 18, 2027) reverified; notes now state complimentary registration for approved attendees.
  • BSides Tampa 2027 remains expected; no 2027 dates published.
  • SWFL Inc. summit remains expected; no 2027 edition announced.
  • Added CyberBay Summit 2027 (March 22 to 24, 2027, Tampa).
  • Added The Official Cybersecurity Summit: Tampa (February 2, 2027).
Chandler, AZ: 52
  • EVSec last_activity moved to 2026-10-01; Meetup lists November 5 and December 3, 2026 meetings.
  • OWASP Phoenix last_activity moved to 2026-10-06; December 1, 2026 talk added as an event.
  • ISSA Phoenix chapter page re-read; Q4 meeting is October 22, 2026, 2027 meetings all TBD.
  • ISACA Phoenix: November 5 and December 4, 2026 chapter meetings listed as events.
  • ISC2 Phoenix last_activity set to 2026-07-14 (Summer 2026 Membership Meeting); November 18, 2026 happy hour added.
  • InfraGard Arizona re-read; June 18, 2026 virtual meeting is the latest in its past-events list; Annual Member Meeting is October 22, 2026.
  • IAPP KnowledgeNet Phoenix is now dormant: last dated meeting March 27, 2025 is 574 days old.
  • WiCyS Phoenix re-read; Winter Celebration on December 17, 2026 is the only event on its Luma calendar.
  • CSA Arizona re-read; last dated event is the May 11, 2026 Security Summit.
  • DC480 re-read; site still says second Tuesday, in person; latest dated activity is the February 6, 2026 Snow Talks.
  • DC602 re-read; site still lists third Thursdays at 6:00 p.m., in person and on Discord, with no dated meeting.
  • Reverified PHX2600 (first-Friday meeting); kept active on the owner confirmation of 2026-10-02, as on phoenix-az.
  • PROTECTPHX last_activity moved to 2026-10-12 (Tacos+Tech, Tempe); Meetup lists November 9 and December events.
  • Central Cybersecurity Meetup re-read; last event July 17, 2025, none scheduled.
  • Arizona Cyber Security Meetup re-read; latest event June 25, 2026 at 1475 N Scottsdale Rd.
  • CactusCon re-read; CactusCon 15 is February 5 and 6, 2027.
  • SecureWorld Phoenix re-read; the May 28, 2026 edition is in the organizer's past-events list.
  • GCU Lopes Cyber Con sessions listed as events through April 15, 2027.
  • HeatSync Labs last_activity moved to 2026-10-06, the OWASP Phoenix meeting held there.
  • Added AWS Phoenix User Group (Tempe, last session June 18, 2026).
  • Added Technology Education Collaborative (Hardware Happy Hour, Phoenix), last held October 8, 2026.
  • Added West-Phoenix Cyber Security Discussions (online), last held October 7, 2026.
  • Removed owasp-phoenix-2026-10-06.
  • Removed isc2-phoenix-2026-10-20.
  • ISSA Phoenix Q4 meeting on October 22, 2026 re-read.
  • InfraGard Arizona Annual Member Meeting on October 22, 2026 re-read.
  • WECC Reliability & Security Workshop, October 27 to 29, 2026, re-read.
  • FutureCon Phoenix on October 29, 2026 re-read.
  • Scottsdale Cybersecurity Summit on November 20, 2026 re-read.
  • Health-ISAC Fall Americas Summit (November 30 to December 4, 2026) re-read.
  • State of Arizona Cyber Summit on December 11, 2026 re-read.
  • WiCyS Winter Celebration on December 17, 2026 re-read.
  • CactusCon 15 on February 5 and 6, 2027 re-read.
  • ElevateIT Phoenix Technology Summit on March 3, 2027 re-read.
  • AZTC Cybersecurity Summit 2027 remains expected.
  • Phoenix Security & Audit Conference 2027 remains expected.
  • Arizona Technology Summit 2027 remains announced-tba.
  • BSides Phoenix on October 16, 2027 re-read.
  • Added OWASP Phoenix talk on December 1, 2026 (OWASP Top 10 for SDKs).
  • Added ISC2 Phoenix happy hour on November 18, 2026 (Tempe).
  • Added ISACA Phoenix chapter meeting on November 5, 2026.
  • Added ISACA Phoenix chapter meeting on December 4, 2026.
  • Added GCU Lopes Cyber Con on November 19, 2026.
  • Added GCU Lopes Cyber Con on December 17, 2026.
  • Added GCU Lopes Cyber Con on January 21, 2027.
  • Added GCU Lopes Cyber Con on February 18, 2027.
  • Added GCU Lopes Cyber Con on March 18, 2027.
  • Added GCU Lopes Cyber Con on April 15, 2027.
  • Added SecureWorld Phoenix 2027 as announced-tba.
  • Added INTERFACE Phoenix 2027 as announced-tba.
  • Added Cybersecurity Breakfast Forum 2027 as expected.
  • Added Innovate Cybersecurity Summit Scottsdale on October 3 to 5, 2027.
Charlotte, NC: 43
  • DC704 notes refreshed: October 19, 2026 meetup agenda and November 16, 2026 meetup listed; last_activity kept at 2026-09-21.
  • Charlotte Metro ISSA: October 28, 2026 joint meeting with ISACA added at a new venue; last_activity kept at 2026-07-22.
  • ISC2 Charlotte Metro: Pickleball Day ticket price and a November 24, 2026 volunteer event added; last_activity kept at 2026-09-24.
  • ISACA Charlotte re-checked; activity still shown through the joint Cyber Connect Summit on 2026-09-24 and the ISSA joint meetings.
  • Phish Club re-checked; last event 2026-06-23 (PHISHWARS).
  • BSides Charlotte: RSTCon booth and FrostCon 3 (December 2, Booth Playhouse, no year shown) noted. Status moved to quiet (last_activity 2026-03-28 is 208 days old).
  • SecureWorld Charlotte: 2027 conference now dated 2027-03-10.
  • 49th Security Division: November 5, 2026 risk assessment session added; weekly Wednesday rule re-read.
  • WiCyS UNC Charlotte re-checked; no event listed after the 2026-10-01 social.
  • WiCyS North Carolina Affiliate re-checked; November 12, 2026 event at Cisco RTP still its next listed meeting.
  • CSA Charlotte re-checked; no 2026 events found, last_activity 2025-09-25.
  • InfraGard Charlotte re-checked; still dormant (last known meeting week of 2024-11-18).
  • IAPP KnowledgeNet Charlotte re-checked; still dormant (last known meeting 2024-07-18).
  • OWASP Charlotte re-checked; still dormant (last event 2022-10-11).
  • Cha-Ha re-checked; still dormant (last event 2023-06-20).
  • 2600 Charlotte re-checked; still listed on the NC2600 meetings page.
  • Charlotte ISSA and ISACA September 30, 2026 meeting removed (date passed).
  • WiCyS UNC Charlotte Fall Ball Social of 2026-10-01 removed (date passed).
  • CyberRisk CISO Dinner of 2026-09-30 removed (date passed).
  • ISC2 Charlotte Metro October 15, 2026 meeting removed (date passed).
  • Official Cybersecurity Summit: Charlotte of 2026-10-20 removed (date passed); rolled to css-charlotte-2027.
  • 27th UNC Charlotte Cybersecurity Symposium (2026-10-06 to 2026-10-07) removed (dates passed); rolled to uncc-symposium-2027.
  • Pickleball Day on 2026-10-23: now a single $10.00 ticket, sales end 2026-10-23 2:00 p.m.
  • ISC2 Charlotte Metro November 19, 2026 meeting re-checked.
  • CyberRisk CISO Dinner of 2026-12-10 re-checked at Culinary Dropout, 1120 S Tryon St.
  • CyberRisk CISO Dinner of 2027-02-04 re-checked; still listed on the events calendar only.
  • FrostCon renamed FrostCon 3; December 2 at the Booth Playhouse listed without a year, so it stays expected.
  • NEI Cyber Security Implementation Workshop 2027 kept as announced-tba; organizer site unreadable.
  • BSides Charlotte 2027 kept as expected.
  • SecureWorld Charlotte 2027 now confirmed for 2027-03-10.
  • FutureCon Charlotte 2027 (2027-09-01) now has a venue: Charlotte Marriott City Center.
  • Financial Crime and Cybersecurity Forum 2027 (2027-08-31 to 2027-09-01) re-checked.
  • Cyber Connect Summit 2027 kept as expected.
  • Secure Carolinas 2027 kept as expected.
  • BSides Greenville 2027 kept as expected.
  • Added Charlotte ISSA and ISACA Monthly Meeting (2026-10-28)
  • Added Fall Volunteer Event: Senior Box Packing for Second Harvest (2026-11-24)
  • Added RSTCon Charlotte 2026 (2026-10-23 to 2026-10-25)
  • Added Think Like a Security Risk Assessor (2026-11-05)
  • Added Minuteman Cyber Cup (date not yet announced).
  • Added UNC Charlotte Cybersecurity Symposium 2027 (date not yet announced).
  • Added The Official Cybersecurity Summit: Charlotte 2027 (date not yet announced).
  • All 19 directory rows re-checked against the refreshed shared directories; results unchanged.
Chesapeake, VA: 23
  • Updated ISSA Hampton Roads: latest held social is the Norfolk happy hour of October 20, 2026.
  • Re-checked DC757 (DEF CON group Hampton Roads); latest dated meetup remains September 14, 2026.
  • Re-checked Hampton Roads 2600; 2600 Magazine still lists the Hampton meeting (first Friday, 5 p.m.).
  • Re-checked CVCSA; still quiet with last dated activity March 29, 2026.
  • Kept TCC Cyber Club as active on the owner's confirmation of September 25, 2026.
  • Re-checked SANS Virginia Beach; the 2026 edition ran August 24 to September 4, 2026.
  • Re-checked Hampton Roads AWS User Group; still quiet, last meeting May 6, 2025.
  • BSides Hampton Roads held its inaugural edition on October 9 and 10, 2026; last_activity moved to October 10, 2026.
  • Removed the Chesapeake social of October 16, 2026, now past.
  • Re-checked the Chesapeake social on November 6, 2026 at Tap-It Local.
  • Removed BSides Hampton Roads 2026 (October 9 and 10, 2026), now past.
  • CyberForge 2027 now confirmed for April 3 and 4, 2027 at Old Dominion University.
  • SANS Virginia Beach 2027 stays expected; no 2027 page exists on sans.org.
  • AFCEA Hampton Roads summit now confirmed for May 18 to 20, 2027 at Hilton Norfolk The Main.
  • RVAsec 16 (June 9 and 10, 2027) now lists the Marriott Richmond as venue.
  • Added the Cyber Security Student Association at Old Dominion University (metro, last meeting October 6, 2026).
  • Added InfraGard Norfolk Members Alliance (metro, quiet, last activity January 28, 2026).
  • Added the Chesapeake social on December 11, 2026 at Tap-It Local.
  • Added the ISSA-HR Virginia Beach social on October 28, 2026.
  • Added the ISSA-HR Norfolk happy hour on November 17, 2026.
  • Added the ISSA-HR Virginia Beach social on November 18, 2026.
  • Added the ISSA-HR Norfolk happy hour on December 15, 2026.
  • Added the ISSA-HR Virginia Beach social on December 16, 2026.
Chicago, IL: 70
  • Removed the WiCyS Chicago Coffee Walk of 2026-09-26; the date has passed.
  • Removed the CAMP IT AI Security conference of 2026-09-30; the date has passed.
  • Removed the Oak Lawn 2600 virtual CTF night of 2026-10-02; the date has passed.
  • Removed the CAMP IT risk and security conference of 2026-10-08; the date has passed.
  • Removed the ISSA Chicago save-the-date of 2026-10-08; the date has passed and no recap was posted.
  • Removed the CSA Chicago meeting of 2026-10-14; the date has passed.
  • Removed the ISACA Chicago virtual meeting listed for 2026-10-15; the chapter calendar now lists the October meeting on 2026-10-22.
  • Removed the BurbSec East Halloween entry dated 2026-10-22; Meetup dates that night 2026-10-29 (re-added under a new id).
  • BurbSec East last_activity stays 2026-09-24; the 2026-10-29 Halloween night is added as a dated event.
  • BurbSec Pilsen last_activity moved to 2026-10-08 (Meetup lists the night as past, not cancelled); next night 2026-11-12.
  • BurbSec Prime last_activity moved to 2026-10-01 (Meetup past event); next night 2026-11-05.
  • BurbSec North last_activity moved to 2026-10-08 (Meetup past event); next night 2026-11-12.
  • BurbSec South last_activity moved to 2026-10-08 (Meetup past event); next night 2026-11-12.
  • BurbSec West last_activity moved to 2026-10-15 (Meetup past event); next night 2026-11-19.
  • BurbSec Northwest last_activity stays 2026-09-24; the 2026-10-22 night is scheduled, not yet held.
  • CSA Chicago last_activity moved to 2026-10-14 (October meeting with the Elastic Chicago User Group).
  • ISSA Chicago still active; last held meeting 2026-09-10.
  • ISACA Chicago still active; last_activity stays 2026-09-17.
  • ISC2 Chicago still active; last held event 2026-08-20; a 2026-10-29 meeting is added.
  • IAPP KnowledgeNet Chicago kept; last_activity stays 2026-09-25 with thin evidence.
  • OWASP Chicago stays dormant (owner-confirmed).
  • DEF CON Group Chicago still active; last_activity stays 2026-09-08.
  • TOOOL Chicago still active; last_activity stays 2026-09-02.
  • Oak Lawn 2600 still active; last_activity stays 2026-09-04.
  • InfraGard Chicago reverified with its last_activity unchanged.
  • WiCyS Chicago still active; last_activity stays 2026-09-12.
  • Chicagoland Cybersecurity Exchange reverified with its last_activity unchanged.
  • Loop InfoSec reverified with its last_activity unchanged.
  • RegionSec stays quiet; no 2026 summit is posted.
  • ChiCyberCon stays dormant (owner-confirmed).
  • BSides312 reverified with its last_activity unchanged.
  • BSides Chicago stays dormant (owner-confirmed).
  • THOTCON reverified with its last_activity unchanged.
  • Blue Team Con reverified with its last_activity unchanged.
  • ChiBrrCon reverified with its last_activity unchanged.
  • GCSI reverified with its last_activity unchanged.
  • SecureWorld Chicago reverified with its last_activity unchanged.
  • ISACA Chicago in-person meeting on 2026-11-19 still a save-the-date with no venue or fee.
  • ManuSec USA (2026-10-21 to 2026-10-22) now lists the Hyatt Regency Chicago West Tower, Crystal Ballroom.
  • WiCyS Coffee Walk on 2026-10-24 now shows the Obama Presidential Center address.
  • CyberRisk Leadership Exchange on 2026-10-28 now names the Chicago Marriott Downtown Magnificent Mile at 540 N Michigan Ave; access is by application.
  • CAMP IT AI Security Strategies on 2026-11-05 confirmed.
  • CAMP IT Identity and Access Management on 2026-11-19 confirmed; the community calendar's 2026-12-02 date belongs to a different topic.
  • CAMP IT Data Breaches on 2026-12-10 confirmed.
  • InfraGard Chicago Q4 meeting on 2026-11-05 confirmed.
  • ISSA Chicago meeting on 2026-11-05 now has the Carlucci's Rosemont venue, agenda and ticket prices ($0 members and military, $20 students, $30 non-members).
  • GCSI CIOTManuSec on 2026-11-19 now has hours and an agenda page; no fee is stated.
  • FutureCon Chicago on 2027-01-14 now shows 8:00 a.m. to 5:00 p.m.; the June 2027 downtown edition is no longer listed.
  • ChiBrrCon VII is now confirmed for 2027-02-04 at the UIC Dorin Forum.
  • CypherCon in Milwaukee confirmed for 2027-03-24 to 2027-03-25.
  • BSidesMKE confirmed for 2027-03-26; its ticket blurb still says September 2027.
  • SANS Chicago 2027 (2027-04-26 to 2027-05-01) early-bird discount now ends 2027-01-05.
  • Cybersecurity Summit Chicago on 2027-04-27 now lists the Hyatt Regency Chicago and 8:00 a.m. to 6:00 p.m.
  • GCSI annual conference stays expected; no 2027 date is posted.
  • SecureWorld Chicago 2027 is now confirmed for 2027-05-26 at the Donald E. Stephens Convention Center, Rosemont.
  • THOTCON 0xE (2027-06-11 to 2027-06-12) now records that tickets and the call for papers open 2026-11-05.
  • BSides312 confirmed for 2027-06-13.
  • ISACA Chicago annual conference stays expected for August 2027.
  • Blue Team Con 2027 stays expected; the organizer says to stand by.
  • ICS/SCADA Cybersecurity Symposium stays announced-tba; the organizer still shows only the 2026-06-16 to 2026-06-18 edition.
  • Added ISACA Chicago virtual monthly meeting and bylaws vote (2026-10-22).
  • Added ISC2 Chicago October meeting (2026-10-29, Publicis Groupe, free for members and guests).
  • Added IAPP KnowledgeNet Chicago virtual meeting (2026-10-22).
  • Added WiCyS Chicago Annual Spooky Event (2026-10-29), venue not posted.
  • Added BurbSec East Halloween with Manifest Cyber (2026-10-29).
  • Added ManageEngine ShieldNxG Chicago roadshow (2026-11-03, Soldier Field).
  • Added CAMP IT Enterprise Risk and Security Management (2027-02-18).
  • Added CAMP IT AI Security Strategies (2027-03-03).
  • Added CAMP IT Data Breaches: Defense and Response (2027-03-30).
  • Added CAMP IT Identity and Access Management (2027-04-15).
Chula Vista, CA: 41
  • OWASP San Diego: last_activity moved to 2026-10-15; next monthly meeting 2026-11-19.
  • ISC2 San Diego: notes updated; the home page now lists 2026-11-12 as the next meeting.
  • San Diego ISSA: last_activity moved to 2026-10-06 (networking lunch).
  • Reverified ISACA San Diego Chapter on 2026-10-22.
  • CSA San Diego: notes updated; the 2026-10-27 joint event is the final CSA San Diego event of 2026.
  • Reverified IAPP KnowledgeNet San Diego on 2026-10-22.
  • Reverified InfraGard San Diego Members Alliance on 2026-10-22.
  • Reverified WiCyS San Diego Affiliate on 2026-10-22.
  • Reverified Cyversity Southern California Chapter on 2026-10-22.
  • Reverified DEF CON Group San Diego (DC858/DC619) on 2026-10-22.
  • Reverified BSides San Diego on 2026-10-22.
  • San Diego Cyber Group: last_activity moved to 2026-10-07 (North County meetup); schedule now includes the monthly Vista meetup.
  • Reverified San Diego Underground on 2026-10-22.
  • Reverified San Diego Information Security Meetup on 2026-10-22.
  • Reverified CIAT Cybersecurity Club on 2026-10-22.
  • Reverified SDSU Cyber Defense Team on 2026-10-22.
  • ACM Cyber at UC San Diego: status changed from active to quiet.
  • Reverified ASIS International San Diego Chapter 016 on 2026-10-22.
  • Removed ASIS San Diego: The Next Frontier in Threats (panel) (ended before 2026-10-22).
  • Removed San Diego Cyber Group Meetup (September 2026) (ended before 2026-10-22).
  • Removed SD ISSA InfoSec Networking Lunch: DFIR Trends and the Veteran Pathway into Cybersecurity (ended before 2026-10-22).
  • Removed CRX 2026 (Connected Risk Experience, formerly Audit & Beyond) (ended before 2026-10-22).
  • Removed Offensive AI Con 2026 (ended before 2026-10-22).
  • Reverified Techno Security & Digital Forensics Conference West 2026 on 2026-10-22.
  • Reverified San Diego Cyber Group Meetup (October 2026) on 2026-10-22.
  • Reverified FutureCon San Diego Cybersecurity Conference 2026 on 2026-10-22.
  • Reverified Southern California Public Sector Cybersecurity Summit 2026 on 2026-10-22.
  • Reverified San Diego CyberCon 2026 on 2026-10-22.
  • Reverified The Official Cybersecurity Summit: San Diego 2027 on 2026-10-22.
  • Reverified SANS Security West 2027 on 2026-10-22.
  • Reverified OTsec USA 2027 on 2026-10-22.
  • Reverified BSides San Diego 2027 on 2026-10-22.
  • Reverified CS5 West 2027 (Official Conference of the Cyber AB) on 2026-10-22.
  • Added ISACA San Diego event on 2026-10-23 (Who Authorized the Agent?).
  • Added the joint CSA San Diego and ISACA San Diego event on 2026-10-27.
  • Added ISACA San Diego Coffee Talk on 2026-10-29 (online).
  • Added ISACA San Diego event on 2026-11-19 (IT audit and internal auditors).
  • Added San Diego North County Cyber Meetup on 2026-11-10 in Vista.
  • Added USD Cyber Law & Risk Symposium on 2026-11-12.
  • Added ISC2 San Diego meeting on 2026-11-12.
  • Added SD ISSA members-only outing on 2026-10-24.
Cincinnati, OH: 53
  • InfraGard Cincinnati Members Alliance: still dormant by owner judgement; last activity June 4, 2026.
  • ISSA Greater Cincinnati: still active; latest event September 15, 2026.
  • ISACA Greater Cincinnati: schedule text now says roughly monthly; October 6, 2026 meeting no longer listed.
  • ISC2 Cincinnati Tri-State: still active; next meeting November 12, 2026.
  • OWASP Cincinnati: still dormant by owner confirmation; last meeting November 20, 2025.
  • CSA Ohio River Valley: last_activity moved to October 13, 2026.
  • Removed IAPP KnowledgeNet Cincinnati; directory row now nearest and names the chapter page.
  • HTCIA Ohio: sources now include the member calendar; Ohio Q3 meeting and lunch and learn listed for October 21, 2026.
  • BSides Cincinnati: stays dormant; last activity April 30, 2019.
  • Cincinnati 2600: stays dormant; last meeting May 5, 2017.
  • Hive13 Hackerspace: still active; latest dated post is the June 9, 2026 Tuesday talk.
  • Cincy Locksport: still active; last meeting August 23, 2026, next October 25, 2026.
  • CiNPA Security SIG: last_activity moved to October 15, 2026; recurrence reconfirmed.
  • Cyber@UC: still active; Fall 2026 weekly rule reconfirmed.
  • WiCyS UC: still active; last_activity stays September 22, 2026.
  • NKCyber: stays dormant; last dated activity October 20, 2023.
  • Xavier Cybersecurity Team: stays quiet; last activity November 9, 2025.
  • Miami University Cybersecurity Club: last_activity moved to October 21, 2026.
  • ASIS Chapter 41: still active; last meeting September 23, 2026.
  • Queen City Con 0x4: still November 13 to 15, 2026 at 151 West Fifth Street.
  • Removed NKU Cyber19 (October 16, 2026); date has passed.
  • Removed 8th OCRI Symposium (October 7, 2026); date has passed.
  • Removed ISACA Greater Cincinnati virtual meeting (October 6, 2026).
  • ISACA November 3, 2026 meeting: speaker details added; still hybrid, venue not posted.
  • ISACA December 1, 2026 meeting: topic and venue still not posted.
  • ISC2 Tri-State meeting on November 12, 2026 at Dixie Terminal.
  • Removed Ohio HTCIA virtual lunch and learn (September 30, 2026); date has passed.
  • Cincy Locksport meetup on October 25, 2026 at Hive13.
  • Removed WiCyS UC and WICJ speaker night (October 7, 2026); date has passed.
  • BearcatCTF 2027: still February 2027 with no exact date.
  • UC Cybersecurity Career Fair: still expected; only the February 24, 2026 fair exists.
  • ASIS Women in Security and Law Enforcement Dinner on October 28, 2026: now at capacity with a waiting list.
  • ASIS monthly meeting on November 4, 2026 at the Hamilton County ECC.
  • Removed CyberRisk CISO Dinner Cincinnati (October 15, 2026); date has passed.
  • CyberRisk CISO Dinner Cincinnati on February 11, 2027 (invitation only).
  • Removed UK_CYBERCON 2026 (October 14, 2026); date has passed.
  • BSides Columbus 2026: venue confirmed as BrewDog Columbus, 96 Gender Rd, Canal Winchester, for November 4 to 6, 2026.
  • Hack Red Con 2026: now confirmed for December 4, 2026 at the Student Activity Center, 2100 S Floyd St, Louisville.
  • BSidesDayton 2027: venue now Fairborn City Church; still May 15, 2027.
  • Ohio Information Security Conference: still expected; the 2026 edition was March 11, 2026.
  • Central Ohio InfoSec Summit: still expected; the 2026 edition was June 8 to 10, 2026.
  • Added ASIS Chapter 41 monthly meeting on December 2, 2026 (time to be announced).
  • Added DC513 (DEF CON Group 513) meeting on November 11, 2026 at the Corryville library branch.
  • Added DC513 (DEF CON Group 513) meeting on December 9, 2026 at the Corryville library branch.
  • Added DC513 (DEF CON Group 513) meeting on January 6, 2027 at the Corryville library branch.
  • Added Cyber@UC speaking event on November 4, 2026.
  • Added Cyber@UC speaking event on December 2, 2026.
  • Added Kentucky Cybersecurity and Forensics Conference on October 30, 2026 in Frankfort.
  • Added Louisville Metro InfoSec Conference as expected for 2027.
  • Added UK_CYBERCON as expected for 2027.
  • Added NKU Cybersecurity Symposium as expected for 2027.
  • Added OCRI Symposium as expected for 2027.
  • Added DC513 (DEF CON Group 513), meeting at the Corryville Branch library, usually the second Wednesday.
Cleveland, OH: 28
  • Northeast Ohio ISSA stays active with last_activity 2026-09-18; no meeting after September 18, 2026 is posted.
  • ISACA Northeast Ohio changed from active to quiet with last_activity 2026-01-22.
  • ISC2 Cleveland last_activity set to 2026-09-29; the chapter now lists meetups on October 27 and November 24, 2026.
  • OWASP Cleveland stays quiet with last_activity 2025-10-16.
  • CSA Northeast Ohio stays quiet with last_activity 2025-10-29.
  • IAPP KnowledgeNet Cleveland last_activity set to 2026-10-15; the chapter page now shows no scheduled meetings.
  • HTCIA Ohio stays active with last_activity 2026-05-22 (Salt Fork conference).
  • Northern Ohio InfraGard keeps last_activity 2026-05-01; ticketing pages dropped from sources.
  • WiCyS Northeast Ohio changed from active to quiet; last_activity stays 2026-04-02.
  • BSides Cleveland changed from quiet to active with last_activity 2026-09-26.
  • Cleveland 2600 stays dormant (owner judgement, last_activity 2015-05-01).
  • NEOCC stays dormant with last_activity 2021-12-17.
  • Removed BSides Cleveland 2026 (held September 26, 2026).
  • Added BSides Cleveland 2027 as expected, dates not announced.
  • Information Security Summit confirmed for October 28 to 30, 2026 (training October 26 and 27) at LaCentre, Westlake.
  • Added Information Security Summit 2027 as expected, dates not announced.
  • Removed the September 29, 2026 ISC2 Cleveland meetup.
  • Added ISC2 Cleveland October Meetup (October 27, 2026, TrustedSec, Fairlawn).
  • Added ISC2 Cleveland November Meetup (November 24, 2026, TrustedSec, Fairlawn).
  • Removed the September 30, 2026 Ohio HTCIA virtual lunch and learn.
  • Removed the October 15, 2026 IAPP KnowledgeNet Cleveland meeting.
  • CPTC Great Lakes Regional confirmed for October 24 and 25, 2026 at Baldwin Wallace University, Berea.
  • CISO Cleveland Evening Gathering confirmed for December 10, 2026.
  • CSU Cybersecurity and Privacy Protection Conference stays expected for mid-April 2027.
  • Security Awareness Day 2027 stays expected; venue text no longer cites the unreadable ticketing page.
  • BSides Columbus confirmed for November 4 to 6, 2026.
  • Central Ohio InfoSec Summit stays expected for early June 2027.
  • BSidesPGH confirmed for July 9, 2027.
Colorado Springs, CO: 40
  • SecureWorld Denver 2026 (2026-10-01) has passed.
  • Removed WiCyS Summit Across Colorado; UCCS now lists it on 2026-10-13, which has passed.
  • Removed the ISSA-COS 2026-10-13 chapter meeting; the date has passed.
  • Removed the TalentAlly career fair of 2026-10-20; the date has passed.
  • Removed the 2026-10-02 First Friday event; it has passed and the group recurrence rolls forward.
  • Reverified ISSA Colorado Springs Chapter (ISSA-COS).
  • Updated: the chapter will broadcast on Zoom starting November 2026 (previously Webex).
  • Updated last_activity to 2026-10-02 and notes; registration is required and no fee is stated.
  • Reverified OWASP Colorado Springs Chapter.
  • DC719 remains dormant (owner confirmed dormant 2026-09-26); last_activity 2025-05-01.
  • Reverified BSides Colorado Springs.
  • Reverified Rocky Mountain Chapter of AFCEA.
  • Updated schedule text: two public career talks on 2026-11-05 and 2026-11-12.
  • Reverified WiCyS UCCS Student Chapter.
  • Status changed from active to quiet; last_activity 2026-04-10 is now 195 days old.
  • Reverified WiCyS Colorado Affiliate.
  • Updated venue to Goat Patch with Zoom, added speaker note (ASD20).
  • Reverified ISSA-COS November 2026 Chapter Meeting.
  • Updated venue to Goat Patch with Zoom; the 2026-11-20 versus 2026-11-18 discrepancy remains noted.
  • Reverified ISSA-COS Trivia Night.
  • Reverified ISSA-COS Mentoring Matters Mixer.
  • Reverified ISC2 Pikes Peak December 2026 Luncheon.
  • Reverified Rocky Mountain Cyberspace Symposium 2027 (RMCS27).
  • Rolled forward: Peak Cyber Symposium 2027 is now confirmed for 2027-09-01 to 2027-09-02 at The Antlers Hotel; speaker submissions close 2027-07-16.
  • Updated notes: the BSides global directory lists the postponed 2026 entry.
  • Updated venue: the 2027 save-the-date now names Colorado Springs locations including Space ISAC headquarters.
  • Reverified 2026-10-24 to 2026-10-28 at Gaylord Rockies.
  • Reverified Executive Women's Forum 2026 Annual Conference.
  • Updated deadlines: the call for presenters and scholarship dates have passed and were dropped; poster submissions close 2026-11-04.
  • Reverified Rocky Mountain Information Security Conference (RMISC) 2027.
  • Reverified SANS Rocky Mountain 2027.
  • Updated expected text with the 2026 dates (2026-04-16 to 2026-04-17).
  • Reverified BSides Denver 2027.
  • Added Cybersecurity First Friday, 2026-11-06.
  • Added Cybersecurity First Friday, 2026-12-04.
  • Added WiCyS UCCS talk by Dr. Georgianna Shea (2026-11-03).
  • Added Mountain Lion Cyber Club internship panel (2026-11-05).
  • Added Mountain Lion Cyber Club ISSO career talk (2026-11-12).
  • Added Security Leader Summit 7 in Denver (2027-04-23).
  • Added USENIX Security 2027 in Denver (2027-08-11 to 2027-08-13).
Columbus, OH: 42
  • Reverified Central Ohio ISSA; last_activity stays September 23, 2026.
  • ISACA Central Ohio notes now record October 8, 2026 pricing and that the meeting is not confirmed as held; last_activity stays September 10, 2026.
  • Reverified ISC2 Central Ohio (Security MBA); last_activity stays May 11, 2026.
  • OWASP Columbus remains quiet (last meeting December 11, 2025); its Meetup group is retitled "Moving to OWASP.org".
  • CSA Ohio River Valley last_activity moved to October 13, 2026; sessions alternate between Columbus and Cincinnati.
  • IAPP KnowledgeNet Columbus stays dormant (last dated meeting March 12, 2018).
  • Reverified HTCIA Ohio; last_activity stays May 22, 2026.
  • DC614 stays dormant (last dated meeting September 10, 2020).
  • BSides Columbus remains quiet; vendor_hosted changed to false and notes updated.
  • Reverified Hackers Teaching Hackers; HTH 2026 (June 3 to 5, 2026) held, no 2027 dates.
  • Reverified WiCyS Central Ohio; last_activity stays June 17, 2026.
  • Reverified EmpoWE-R Women of InfoSec as quiet; sixth gala is October 30, 2026.
  • Reverified Central Ohio InfraGard as dormant (last dated meeting November 18, 2021).
  • Reverified Cyber Security Club at Ohio State; last_activity stays September 9, 2026.
  • OSU WiCyS moved from quiet to dormant (last dated meeting April 12, 2025).
  • Reverified ASIS Columbus Chapter 27; last_activity stays September 17, 2026.
  • Removed the HTCIA Ohio virtual lunch and learn (September 30, 2026) because its date has passed.
  • BuckeyeCTF 2026 corrected to November 6 to 8, 2026 at Pomerene Hall (was October 3 to 4 at Fontana Labs).
  • Removed LogicON 2026 (October 6 to 7, 2026) because its date has passed; rolled forward as LogicON 2027.
  • Removed the 8th OCRI Symposium (October 7, 2026) because its date has passed; rolled forward as OCRI Symposium 2027.
  • Removed the ISACA Central Ohio October 8, 2026 meeting because its date has passed.
  • Removed FutureCon Columbus 2026 (October 15, 2026) because its date has passed; rolled forward as FutureCon Columbus 2027.
  • Removed the ASIS Columbus officer appreciation luncheon (October 15, 2026) because its date has passed.
  • Removed the ISACA two-day AI audit training (October 20 to 21, 2026) because its dates have passed.
  • ICDT Annual Cybersecurity Symposium (October 22, 2026) kept; notes say the source could not be read this time.
  • CyberShare Summit (October 25 to 27, 2026) reverified; notes record that no price is stated.
  • EmpoWE-R Masquerade Gala (October 30, 2026) reverified.
  • COISSA Threat Modeling Workshop (November 3 to 4, 2026) reverified; notes say no fee or terms are stated.
  • BSides Columbus 2026 (November 4 to 6, 2026) reverified; vendor_hosted changed to false.
  • ISACA Central Ohio November 12, 2026 meeting reverified; notes record the fee structure.
  • Queen City Con 2026 (November 13 to 15, 2026, Cincinnati) reverified.
  • ISACA Central Ohio December 10, 2026 meeting (online) reverified.
  • ISACA Central Ohio January 14, 2027 meeting (online) reverified.
  • Ohio Information Security Conference remains expected; no 2027 dates.
  • BSidesDayton 2027 (May 15, 2027, Fairborn) reverified.
  • Central Ohio InfoSec Summit remains expected; no 2027 dates.
  • Hackers Teaching Hackers 2027 remains expected; no dates posted.
  • Official Cybersecurity Summit Columbus 2027 remains expected; notes record the 2025 and 2026 dates.
  • Added ISACA Central Ohio Member Social at the Funny Bone (December 1, 2026).
  • Added FutureCon Columbus 2027 as expected; the organizer's pages disagree between September 30 and October 7, 2027.
  • Added LogicON 2027 as expected; 2027 dates not announced.
  • Added OCRI Symposium 2027 as expected (Cincinnati); 2027 dates not announced.
Corpus Christi, TX: 9
  • Islander Cyber Society stays active; last_activity moved from 2026-09-22 to 2026-10-20.
  • SpiceCorps of the Coastal Bend stays active with last_activity 2026-07-28.
  • Del Mar College Cyber Center stays quiet with last_activity 2026-02-27.
  • Removed ISACA San Antonio Chapter from the group list; the directory row now reads nearest.
  • Added Women in Cyber Security, the WiCyS chapter at TAMU-CC (last_activity 2026-10-14).
  • ESC-2 Cybersecurity Technology Summit stays expected; no 2027 date announced.
  • Added the ESC-2 Youth Code Jam on December 4, 2026 (adjacent, free, K-12 coding event that includes cybersecurity).
  • BSides SATX 2027 (June 11 and 12, 2027) is now confirmed on the organizer's own page, not only the BSides directory.
  • BSides RGV stays expected; 2027 dates not announced.
Dallas, TX: 47
  • Dallas Hackers Association: last_activity moved to 2026-10-07; the November 4, 2026 meeting is posted.
  • DC214 notes refreshed: dc214.org now gives the Family Karaoke address; no October or November 2026 meeting posted; last_activity kept at 2026-09-09.
  • Dallas 2600: last_activity moved to 2026-10-02 and start time set to 7:00 p.m.
  • Renamed to North Texas GovSec Meetup (formerly North Texas CMMC Meetup); last_activity kept at 2026-06-10.
  • North Texas ISSA: last_activity moved to 2026-10-20 (CSC13); October 28, 2026 hands-on night and December 3, 2026 party noted.
  • ISACA North Texas reverified; the October 23, 2026 monthly meeting is on hold, so last_activity stays at 2026-05-22.
  • ISC2 Chapter for DFW reverified; October 30, 2026 online session added as an event.
  • OWASP Dallas reverified; still quiet, last event December 4, 2025.
  • InfraGard North Texas reverified; events list shows October 29 and November 12, 2026 items.
  • WiCyS DFW reverified; last_activity stays at 2026-09-19.
  • WoSEC Dallas: last_activity moved to 2026-09-29; October 27, 2026 meetup added as an event.
  • Women's Society of Cyberjutsu Dallas reverified; last Meetup event still September 19, 2025 (owner confirmation unchanged).
  • Cyversity North Texas reverified; last dated meeting still October 2, 2025 (owner confirmation unchanged).
  • IAPP KnowledgeNet Dallas: scope changed to in-city and access to members-only; November 3, 2026 meeting added.
  • LibreTechnica: last_activity moved to 2026-10-21.
  • BSides DFW: venue is now Nedderman Hall, UT Arlington; November 7, 2026 edition confirmed.
  • SecureWorld Dallas: status active and last_activity 2026-10-08 after the 22nd edition.
  • SANS Dallas group reverified; last_activity stays at 2025-12-06 from an aggregator listing.
  • CYBR.HAK.CON: 2027 edition on February 25, 2027 in Irving added.
  • Added North DFW 2550 Meetup (third Fridays at 1418 Coffee, Plano; last held 2026-10-16).
  • Added North Texas Cyber Security Group (third Thursdays, Lewisville; last held 2026-10-15).
  • Added DC940 (DEF CON Group Denton), quiet; last dated meeting 2026-02-16.
  • Removed Secure Dallas 2026 (held October 1, 2026).
  • Removed the Tyler Area Chamber of Commerce Cybersecurity Conference (held October 7, 2026).
  • Removed SecureWorld Dallas 2026 (held October 8, 2026).
  • Removed the North Texas ISSA and InfraGard lunch and learn on deepfakes (October 9, 2026).
  • Removed CSC13 (October 20, 2026).
  • 2026 UDallas Cyber Summit reverified for October 22, 2026; page states no fee.
  • The Official Cybersecurity Summit: Dallas reverified for October 29, 2026 ($250, reviewed registration).
  • GPSEC Dallas 2026: venue name corrected to Omni PGA Frisco Resort & Spa.
  • BSides DFW 2026 on November 7, 2026 now has its venue, Nedderman Hall, UT Arlington (Arlington, scope metro).
  • SANS Dallas 2026 (December 7 to 12, 2026): early-bird deadline dropped; hotel and refund deadlines kept.
  • FutureCon Dallas on January 20, 2027 reverified; venue still not on the organizer page.
  • Added Women of Security October Meetup (October 27, 2026, Plano).
  • Added North Texas ISSA Hands-On AI Night (October 28, 2026, Plano).
  • Added ISC2 Chapter for DFW online session (October 30, 2026).
  • Added IAPP KnowledgeNet Dallas meeting (November 3, 2026, downtown Dallas).
  • Added DataSecAI 2026 (November 9 to 11, 2026, Hyatt Regency Dallas).
  • Added CYBR.HAK.CON 2027 (February 25, 2027, Irving).
  • Added MiC Annual Conference 2027 (March 21 to 25, 2027, Dallas).
  • Added Brivo 2026 Global Cloud Security Summit (October 26 to 29, 2026, Arlington), adjacent.
  • Added InfraGard FBI case studies day as announced-tba (organizer lists November 12, 2026 as tentative).
  • Added SecureWorld Dallas 2027 as expected; no dates announced.
  • Added Secure Dallas 2027 as expected; no dates announced.
  • Added the next North Texas ISSA conference (CSC14) as expected; no dates announced.
  • Added The Official Cybersecurity Summit: Dallas 2027 as expected; no Dallas date on the summit list.
  • Added UDallas Cyber Summit 2027 as expected; no dates announced.
Denver, CO: 58
  • Updated Denver ISSA Chapter: last meeting October 14, 2026.
  • Updated ISACA Denver: sources now include the October 13 and November 19, 2026 meeting pages.
  • Updated ISC2 Denver: now active and scoped metro; last meeting July 29, 2026 in Centennial.
  • Reverified OWASP Denver; last meetup still September 18, 2026.
  • Updated OWASP Boulder: October 27, 2026 meetup added.
  • Updated CSA Colorado: October 20, 2026 meetup held.
  • Updated DC303: October 16, 2026 meeting held.
  • Updated DenverSec: October 21, 2026 meetup held.
  • Reverified Denver 2600.
  • Updated denhac LockSport: sources and schedule note revised.
  • Reverified DC720; last posted meeting still October 2, 2026.
  • Reverified BSides Denver.
  • Reverified BSides Boulder.
  • Reverified WiCyS Colorado affiliate.
  • Reverified Cyversity Denver.
  • Reverified Colorado = Security.
  • Updated IdentiBeer Denver: October 14, 2026 meetup held.
  • Updated Northside Cyber: October 15, 2026 Oktoberfest held.
  • Updated SecureWorld Denver: held October 1, 2026; status now active.
  • Reverified SANS Rocky Mountain.
  • Reverified DU Cyber Club.
  • Reverified InfraGard Denver Members Alliance.
  • Updated MSU Denver WiCyS: October 1, 2026 open house held.
  • Removed DC303 meeting of September 25, 2026.
  • Removed Denver ISSA Women in Security dinner of September 30, 2026.
  • Removed SecureWorld Denver 2026 (October 1, 2026).
  • Removed MSU Denver WiCyS Fall Open House of October 1, 2026.
  • Removed DC720 meeting of October 2, 2026.
  • Removed ISACA CommunITy Day of October 3, 2026.
  • Removed WiCyS Summit Across Colorado of October 6, 2026.
  • Removed IdentiBeer Denver of October 7, 2026.
  • Removed ISACA Denver meeting listed for October 15, 2026.
  • Removed DC303 meeting of October 16, 2026.
  • Reverified ISC2 Security Congress, October 24 to 28, 2026.
  • Reverified EWF 2026 annual conference, November 4 to 6, 2026.
  • Updated ISACA Denver November 19, 2026 meeting: venue not posted, listed as on hold.
  • Downgraded CSA Colorado holiday party to announced-tba.
  • Reverified DC303 meeting of December 11, 2026.
  • Reverified DC303 meeting of January 22, 2027.
  • Updated WiCyS 2027 (March 17 to 19, 2027): deadlines revised.
  • Updated RMISC 2027 (May 11 to 13, 2027): added call for speakers deadline.
  • Reverified The Official Cybersecurity Summit: Denver (June 16, 2027).
  • Reverified SANS Rocky Mountain 2027 (July 26 to 31, 2027).
  • Downgraded SnowFROC 2027 to expected.
  • Reverified BSides Denver 2027 as expected.
  • Reverified BSides Boulder 2027 as expected.
  • Added ISC2 Boulder Chapter (October 20, 2026 last activity).
  • Added Greystone Technology Cybersecurity Awareness Lunch and Learn (October 22, 2026).
  • Added OWASP Boulder meetup (October 27, 2026).
  • Added MSU Denver WiCyS group study (October 28, 2026).
  • Added Denver ISSA chapter meeting (November 11, 2026).
  • Added Front Range Community College Cyber Industry Panel (November 10, 2026).
  • Added DC303 meeting (November 13, 2026).
  • Added ISC2 Boulder Chapter Annual Meeting (December 8, 2026).
  • Added Colorado = Security Security Leader Summit 7 (April 23, 2027).
  • Added USENIX Security Symposium 2027 (August 11 to 13, 2027).
  • Added BSides Colorado Springs 2027 (date not announced).
  • Added Peak Cyber Symposium 2027 (September 1 to 2, 2027).
Des Moines, IA: 22
  • Updated SecDSM: last activity now October 1, 2026; November 5 and December 3, 2026 meetings added as events.
  • Updated ISSA Des Moines: last activity now September 29, 2026.
  • Reverified ISACA Iowa Chapter; last activity stays May 21, 2026.
  • Reverified InfraGard Iowa; remains quiet with last activity January 29, 2026.
  • Reverified BSides DSM; last activity June 13, 2026.
  • Updated AWS Des Moines User Group notes with the November 10, 2026 and January 12, 2027 meetups.
  • Updated HACC notes: last activity stays September 9, 2026.
  • Updated DMACC CyberThreat Club: status changed from active to quiet.
  • Reverified DC515 as dormant (owner judgement); last activity February 1, 2006.
  • Removed SecDSM Halloween Meeting (October 1, 2026).
  • Removed ISSA Des Moines September Quarterly Meeting (September 29, 2026).
  • Removed ISACA Iowa board lunch (October 9, 2026).
  • Removed Statewide Youth Cybersecurity Summit (October 13, 2026).
  • Updated Securing the Heartland (October 22, 2026): access note.
  • Reverified: BSides DSM 2027 remains expected (June, Ankeny).
  • Reverified: Secure Iowa Conference 2027 remains expected.
  • Reverified: ICA CyberCon 2027 remains expected.
  • Reverified: Eastern Iowa Security Conference 2027 remains expected.
  • Reverified: FutureCon Des Moines remains expected (owner keeps it); no 2027 Des Moines date posted.
  • Added SecDSM November Meeting (November 5, 2026).
  • Added SecDSM December Meeting (December 3, 2026).
  • Added Kernelcon 2027 (March 4 to 5, 2027, Omaha), regional.
Detroit, MI: 46
  • #MISEC Southfield: still active, last meeting September 10, 2026; October 8, 2026 meeting is on the calendar without a recap.
  • #MISEC Ann Arbor: third-Thursday social at Grizzly Peak unchanged; last dated meeting September 17, 2026.
  • ISC2 Greater Detroit: October meeting moved to October 27, 2026, November meeting to November 11, 2026 at University of Michigan-Dearborn; April 2027 meeting added.
  • ISSA Motor City: calendar now lists a chapter meeting on October 22, 2026 and a November 18, 2026 holiday party with ISC2 and HTCIA.
  • ISACA Detroit: chapter schedule now published through May 2027; six meetings added. Status stays quiet (last confirmed March 5, 2026).
  • CSA Detroit: calendar still shows only the February 23, 2026 joint evening; quiet.
  • WomSA: events page still lists only February 23, 2026; quiet.
  • InfraGard Michigan: chapter site lists no meetings; active status rests on the September 17, 2026 session at SecureWorld Detroit.
  • WiCyS Michigan Affiliate: no 2026 event posted; last dated meetup September 11, 2025; quiet.
  • BSides Detroit: 2026 conference held May 30, 2026; site now shows ticket sales and call for papers closed for a 2027 launch window.
  • SecureWorld Detroit: 2026 edition held September 17, 2026; active.
  • University of Detroit Mercy Cybersecurity Club: status moved from active to quiet; last posted meeting April 13, 2026.
  • Wayne State Cyber Defense Club: quiet; last activity February 7, 2026.
  • IAPP KnowledgeNet Detroit: dormant; chapter page lists no meetings; last session found January 23, 2025.
  • OWASP Oakland County: dormant; last listed meeting February 11, 2021.
  • DC313: dormant, last dated meeting January 27, 2021; Facebook source removed from the source list.
  • Added Automotive Security Research Group Detroit (meetups on March 23, 2026 and June 1, 2026 in Troy).
  • Removed Auto-ISAC Cybersecurity Summit (October 6 to 9, 2026, Novi): date passed.
  • ISACA Detroit CISM prep course (October 12 to November 2, 2026): registration closed October 9, 2026; course still running.
  • Removed Michigan High School Cyber Summit 2026 (October 14, 2026): date passed.
  • Removed Michigan Cyber Summit 2026 (October 15, 2026): date passed.
  • Removed ISACA Detroit October 2026 hybrid meeting (October 21, 2026): date passed.
  • #MISEC Southfield Social, October 22, 2026, 5:30 p.m. in Ferndale, still on the calendar.
  • ISC2 Greater Detroit October meeting is now Tuesday, October 27, 2026 (was October 28), 6:00 to 8:00 p.m., Ally Detroit Center. Entry id changed from isc2-greater-detroit-2026-10-28.
  • ISC2 Greater Detroit November meeting is now Wednesday, November 11, 2026 (was November 10) at University of Michigan-Dearborn. Entry id changed from isc2-greater-detroit-2026-11-10.
  • ISC2 and ISSA joint holiday meeting now dated November 18, 2026 (was to be announced); venue not posted.
  • ISC2 January 2027 meeting stays date to be announced.
  • ISC2 February 23, 2027 meeting still listed.
  • ISC2 March 23, 2027 meeting still listed.
  • IIA and ISACA Spring Conference 2027 remains expected for early March; no dates published.
  • FutureCon Detroit still listed for April 15, 2027 (hybrid, venue not posted).
  • BSides Detroit 2027 stays date to be announced.
  • Cybersecurity Summit Detroit 2027 stays expected for mid-August; source changed to the organizer's summit list.
  • SecureWorld Detroit 2027 stays expected for mid-September.
  • misecCON 2026 stays expected for November; no date published.
  • Added Michigan Cyber Summit 2027 as expected in Novi; date not announced.
  • Added Michigan High School Cyber Summit 2027 as expected in Novi; date not announced.
  • Added ISSA Motor City chapter meeting, October 22, 2026 (speaker Enida Metaj; venue and time not posted).
  • Added Third Annual Cyber Winter Wonderland, December 1, 2026, Elevate at One Campus Martius, Detroit.
  • Added ISC2 Greater Detroit April meeting (date to be announced; listed as 4/27/26).
  • Added ISACA Detroit chapter meeting, November 18, 2026 (virtual).
  • Added ISACA Detroit chapter meeting, December 9, 2026 (hybrid, Troy).
  • Added ISACA Detroit chapter meeting, January 19, 2027 (virtual).
  • Added ISACA Detroit chapter meeting, February 17, 2027 (virtual).
  • Added ISACA Detroit chapter meeting, March 17, 2027 (hybrid, Livonia).
  • Added ISACA Detroit chapter meeting, April 21, 2027 (hybrid, Troy).
Durham, NC: 44
  • Raleigh ISSA: still active; latest meeting September 3, 2026; November 5 and December 3, 2026 posted.
  • ISACA Research Triangle: AAISM prep dates dropped; November 4, 2026 session and a December 2, 2026 session on hold.
  • OWASP Triangle-NC: still active; latest meeting September 16, 2026.
  • CSA Triangle: latest meetup now October 15, 2026; no later meetup posted.
  • IAPP KnowledgeNet Raleigh/Durham: still quiet; latest meeting found December 9, 2025.
  • DC919: still active; latest own event September 19, 2026.
  • Raleigh 2600: latest meeting now October 2, 2026; November 6 and December 4, 2026 posted.
  • RTP Security + Beers: latest meetup now October 20, 2026 at Doherty's in Apex.
  • Oak City Locksport: latest meeting October 18, 2026; November 22 and December 20, 2026 posted.
  • Hack The Box Meetup Raleigh: latest session October 17, 2026; October 24, 2026 posted.
  • Splat Space: latest public open house October 17, 2026.
  • TriCy: still dormant; last event December 3, 2019.
  • BSides RDU: still quiet by date; 2026 edition December 18, 2026.
  • CackalackyCon: organizer site now shows May 14 to 16, 2027.
  • WiCyS NC: status changed from active to quiet; last_activity now March 6, 2026.
  • InfraGard Eastern Carolina: kept active on the owner confirmation of 2026-10-03, as on raleigh-nc; an October 21, 2026 meeting was posted but not shown to have been held.
  • Duke Cyber Club: still quiet; latest dated event October 3, 2025.
  • NCCU Center for Cybersecurity: still active; latest event June 19, 2026.
  • HackPack: status changed from active to quiet; room now EB2 1229.
  • Triangle InfoSeCon: October 30, 2026 confirmed; ticket prices recorded.
  • Raleigh ISSA meeting, November 5, 2026: still confirmed.
  • Raleigh ISSA meeting, December 3, 2026: still confirmed; own event page now cited.
  • Removed ISACA AAISM exam prep course (October 3 and 17, 2026).
  • ISACA training session, November 4, 2026: now 12:00 to 16:30 at Frontier RTP and on Teams, with topics.
  • ISACA training session, December 2, 2026: downgraded to expected because the administrator placed it on hold.
  • Removed CSA Triangle October meetup (October 15, 2026).
  • Removed RTP Security + Beers at Doherty's (October 20, 2026).
  • Removed Oak City Locksport October meeting (October 18, 2026).
  • Removed Hack The Box Meetup Raleigh #19 (October 3, 2026).
  • WiCyS NC and Cisco event, November 12, 2026: still posted as a save-the-date.
  • BSides RDU 2026, December 18, 2026: still confirmed; hours 8:30 a.m. to 6:00 p.m.
  • CackalackyCon 2027, May 14 to 16, 2027: now confirmed on the organizer's own site.
  • Cybersecurity at Duke: 2027 dates still not announced.
  • Duke Cybersecurity Awareness Month, October 1 to 31, 2026: still running.
  • Removed UNC-Chapel Hill tent event (October 12, 2026).
  • Removed All Things Open 2026 (October 19 and 20, 2026).
  • SANS Raleigh 2026, November 2 to 7, 2026: still confirmed; refund and hotel deadlines dropped.
  • NC PACE symposium, February 26, 2027: still confirmed.
  • GovTech NC AI and Cybersecurity Symposium, December 15, 2026: still confirmed.
  • Official Cybersecurity Summit Raleigh: still expected for 2027; access now vetting-required.
  • Added Hack The Box Meetup Raleigh #22 (October 24, 2026).
  • Added Oak City Locksport November meeting (November 22, 2026).
  • Added Oak City Locksport December meeting (December 20, 2026).
  • Added NCCU Cybersecurity Awareness Month activities (October 26 to 30, 2026).
El Paso, TX: 9
  • Miners Cybersecurity Club (UTEP): latest listed meeting October 21, 2026; access changed from students-only to free.
  • WiCyS UTEP Student Chapter: latest workshop October 8, 2026; notes list the October sessions.
  • InfraGard El Paso Members Alliance: still quiet; last activity stays October 10, 2025.
  • Cloud Del Norte: still active; latest online session October 6, 2026.
  • West Texas INFOSEC Society: still dormant; latest dated event November 21, 2020.
  • ISC2 El Paso Chapter: still dormant; latest listed event November 13, 2020.
  • Binational Border Cybersecurity Summit: still dormant; only the May 16 and 17, 2024 edition is documented.
  • ResponseCon 2026 (November 5 and 6, 2026): venue, hours and price added.
  • Added SegurAWS Americas (November 19, 2026, online).
Fayetteville, NC: 16
  • Updated FTCC IT Cyber Club: last meeting May 13, 2026 confirmed; Room 119 added; no fall 2026 meetings posted.
  • Changed FSU cybersecurity competition teams from active to quiet.
  • Updated AFCEA North Carolina schedule text: only the September 17, 2026 luncheon is listed.
  • Re-verified ASIS Chapter 159 as dormant; latest posted meeting is October 10, 2024.
  • Removed DC910 (DEF CON Group Fayetteville) and pointed the DEF CON Groups row to DC919.
  • Updated 2027 AFCEA North Carolina Innovation Summit (February 17 to 18, 2027): dropped the October 16, 2026 call for presentations deadline and added onsite rates.
  • Removed FTCC Cybersecurity Job Fair (last held September 25, 2025).
  • Removed 8th Annual UNCW Cybersecurity Conference (October 8 to 9, 2026).
  • Removed UNC Pembroke Cybersecurity First Responder course (October 13 to 16, 2026).
  • Re-verified Triangle InfoSeCon on October 30, 2026 at the Atlantic Union Bank Convention Center.
  • Re-verified SANS Raleigh, November 2 to 7, 2026, in Cary and online.
  • Updated North Carolina AI and Cybersecurity Symposium (December 15, 2026) notes.
  • Re-verified BSides RDU on December 18, 2026; call for presentations now closed.
  • Re-verified the 6th Annual North Carolina Cybersecurity Symposium on February 26, 2027.
  • Updated CackalackyCon 2027 (May 14 to 16, 2027): website now shows the 2027 dates and the DoubleTree by Hilton in Durham.
  • Added Minuteman Cyber Cup (2027 dates not yet announced; first edition April 11, 2026).
Fontana, CA: 25
  • ISC2 SoCal Inland Empire Chapter last activity moved to 2026-10-22; meetings are monthly on Google Meet and the chapter is moving to the ISC2 Hivebrite portal.
  • ISSA Inland Empire stays dormant; last meeting 2019-03-26.
  • OWASP Inland Empire stays dormant (last 2020-05-08); source list trimmed to the pages that were opened.
  • DC909 stays dormant (last dated meeting 2020-05-08); notes now say the Mastodon account has a single post and Discord could not be read.
  • CSUSB Center for Cyber and AI: Wired In on 2026-10-23 replaces the open house; scholarship sessions on 2026-11-05, 2026-11-06 and 2026-11-12 noted.
  • Cyber@UCR stays active on the 2026-06-05 social; no fall 2026 meetings posted.
  • Riverside City College cyber center stays active; last activity 2026-06-18.
  • Chaffey College Cybersecurity Club stays active on the 2026-04-25 Mayors Cup result.
  • Inland Empire Mayors Cyber Cup stays active; last activity 2026-04-25.
  • SWIFT stays quiet; last activity 2026-03-14.
  • SoCal Tech Forum last activity moved to 2026-10-03; next sessions are 2026-11-07 and 2026-12-05.
  • Removed the 2026-10-03 digital forensics session; the date has passed.
  • Zeta Sky summit entry rolled from the 2026 to the 2027 edition (expected); no 2026 edition was found.
  • CSUSB open house expected entry merged into Wired In on 2026-10-23 (csusb-wired-in-2026).
  • Added CSUSB Center for Cyber and AI: Wired In (2026-10-23, open house 19:00 to 20:00).
  • Mayors Cup 2027 final stays expected; no date posted.
  • SWIFT Tech Symposium 2027 stays expected; no date posted.
  • Southern California Public Sector Cybersecurity Summit (2026-11-12) access changed to vetting-required; eligibility not stated on the page.
  • FutureCon Los Angeles stays confirmed for 2027-03-31 at the Hilton Los Angeles Culver City.
  • SANS Security West 2027 (2027-05-10 to 2027-05-15) now records the 2027-01-19 early-bird deadline.
  • LayerOne 2027 stays expected; notes now give the 2026 edition as 2026-05-23 and 2026-05-24.
  • Added the CSUSB Cyber Intelligence and Security Organization (students only; fall 2026 sessions Monday to Friday).
  • Added the Cal Poly Pomona Cybersecurity Fair (22nd annual, held 2026-10-13).
  • Added Cal Poly Pomona Cybersecurity Fair 2027 as expected; no date yet.
  • Added BSides San Diego 2027 as expected; the 2026 edition was 2026-04-04.
Fort Wayne, IN: 12
  • Updated BSides Fort Wayne notes with the 2026 early-registration price and the free talk on November 11, 2026; last_activity stays June 6, 2026.
  • Updated Northeast Indiana ISSA: schedule text now notes the LinkedIn claim of monthly meetings against no published schedule, and the notes record that no fee is stated; status stays quiet, last_activity stays February 6, 2026.
  • Reverified WiCyS Northern Indiana; last_activity stays June 6, 2026 and the free label is flagged as not confirmed.
  • Updated InfraGard Indiana notes: the October 8, 2026 Fort Wayne joint meeting date has passed with no report found, so last_activity stays November 6, 2025 and status stays quiet.
  • Reverified Indiana Tech Cyber Warriors; status is now quiet at 215 days since March 21, 2026.
  • Removed the 2026 Cybersecurity Joint Meeting (held or scheduled on October 8, 2026).
  • Reverified the BSides Fort Wayne and APIsec talk on November 11, 2026.
  • Reverified the InfraGard Indiana annual event on November 9, 2026 in Fishers.
  • Reverified the WMU Cybersecurity Summit on November 12, 2026 in Kalamazoo.
  • Reverified BSidesDayton on May 15, 2027 in Fairborn.
  • Reverified BSides Fort Wayne 2027 as expected, usually early June, no date announced.
  • Added the CERIAS Annual Cybersecurity Symposium in West Lafayette as an expected early-April 2027 event (April 7 and 8 in 2026).
Fort Worth, TX: 52
  • Updated Tarrant County College Cybersecurity Program: last activity now 2026-10-19 (status active, was quiet).
  • Reverified TCU Cybersecurity Club; still quiet with last activity on September 5, 2025.
  • Updated BSides DFW: venue now confirmed as UT Arlington Nedderman Hall for November 7, 2026.
  • Updated UTA CSEC: last activity now 2026-10-16.
  • Updated Dallas Hackers Association: last activity now 2026-10-07, next meeting November 4, 2026.
  • Reverified DC214; last meeting listed is September 9, 2026.
  • Updated Dallas 2600: last activity now 2026-10-02, next meeting November 6, 2026.
  • Updated North Texas ISSA: last activity now 2026-10-09; location wording widened.
  • Reverified ISACA North Texas; last meeting remains May 22, 2026.
  • Reverified ISC2 Chapter for DFW as an online chapter, last activity 2026-09-25.
  • Reverified OWASP Dallas; quiet, last event December 4, 2025.
  • Reverified InfraGard North Texas; last activity August 13, 2026.
  • Reverified WiCyS DFW; last own event September 19, 2026.
  • Reverified Cyversity North Texas; active by the owner confirmation of 2026-09-25.
  • Reverified IAPP KnowledgeNet Dallas; November 3, 2026 meeting now listed.
  • Reverified Women's Society of Cyberjutsu Dallas; active by the owner confirmation of 2026-10-02.
  • Updated ASIS North Texas: ticket prices and meeting venues rechecked.
  • Updated SecureWorld Dallas: last activity now 2026-10-08 (status active).
  • Reverified SANS Dallas; quiet, 2025 edition known only from an aggregator.
  • Updated CYBR.HAK.CON: 2027 edition on February 25, 2027 in Irving.
  • Removed Secure Dallas 2026 (October 1, 2026).
  • Removed CSEC CVEs 101 (October 2, 2026).
  • Removed SecureWorld Dallas 2026 (October 8, 2026).
  • Removed Bot Boost: Cybersecurity for Students (October 9, 12 and 19, 2026).
  • Removed North Texas ISSA lunch and learn (October 9, 2026).
  • Removed CSC13 (October 20, 2026).
  • Removed 2026 UDallas Cyber Summit (October 22, 2026) from the event list.
  • Reverified The Official Cybersecurity Summit: Dallas on October 29, 2026.
  • Updated BSides DFW 2026 (November 7, 2026): venue now UT Arlington Nedderman Hall.
  • Updated SANS Dallas 2026 (December 7 to 12, 2026): early-bird deadline dropped.
  • Reverified FutureCon Dallas on January 20, 2027.
  • Updated Lockheed Martin CYBERQUEST 2027 (April 10, 2027): Fort Worth is now listed as a 2027 in-person location; scope in-city.
  • Added WoSEC Dallas: Women of Security (monthly, Plano; last meeting 2026-09-29).
  • Added North DFW 2550 Meetup (third Friday, Plano; last meeting 2026-10-16).
  • Added North Texas Cyber Security Group (third Thursday, Lewisville; last meeting 2026-10-15).
  • Added DC940 (DEF CON group, Denton; last dated meeting 2026-02-16, quiet).
  • Added North Texas CMMC Meetup (last meeting 2026-06-10).
  • Added LibreTechnica (third Wednesday workshops, Carrollton; last workshop 2026-10-21).
  • Added Minorities in Cybersecurity (MiC) (sessions through November 13, 2026; conference March 21 to 25, 2027).
  • Added UT Dallas Computer Security Group (weekly Wednesday meetings).
  • Added Collin College Cybersecurity Program (career fair 2026-10-01).
  • Added Cybersecurity Venturing Crew 1024 (North Texas ISSA), first Thursday, Plano.
  • Added University of Dallas Center for Cybersecurity (annual summit each October).
  • Added Brivo 2026 Global Cloud Security Summit (October 26 to 29, 2026, Arlington).
  • Added Women of Security: October Meetup (October 27, 2026, Plano).
  • Added North Texas ISSA Hands-On: AI Night (October 28, 2026, Plano and online).
  • Added ISC2 Chapter for DFW: Integrating Cybersecurity and ERM (October 30, 2026, online).
  • Added IAPP KnowledgeNet Dallas: Privacy in the AI Era (November 3, 2026, Dallas).
  • Added CYBR.HAK.CON 2027 (February 25, 2027, Irving).
  • Added MiC Annual Conference 2027 (March 21 to 25, 2027, Dallas).
  • Added InfraGard FBI Case Studies session (tentative November 12, 2026, announced-tba).
  • Added SecureWorld Dallas 2027 as an expected event (dates not announced).
Fremont, CA: 61
  • Updated ACM Fremont Chapter: last activity moved to 2026-09-26 and the 2026-11-21 talk added.
  • Updated Ohlone Cyber Defense Center notes: no 2026 camp found; owner dormant judgement unchanged.
  • Updated ISSA Silicon Valley: last activity moved to 2026-10-20.
  • Updated ISSA San Francisco Bay Area: status changed from active to quiet (197 days since the 2026-04-08 virtual meeting).
  • Updated ISACA Silicon Valley: notes now describe the chapter calendar and the 2026-11-19 meeting.
  • Updated ISACA San Francisco: last activity moved to 2026-10-08 (fall conference).
  • Updated ISC2 East Bay: last activity moved to 2026-10-08.
  • Reverified ISC2 Silicon Valley Chapter.
  • Updated ISC2 San Francisco: last activity moved to 2026-10-11 (Tech Week happy hour); owner confirmation unchanged.
  • Updated OWASP Bay Area: last activity moved to 2026-09-30 (the 2026-10-22 Palo Alto meetup is not counted until a page confirms it was held).
  • Reverified Cloud Security Alliance San Francisco Chapter.
  • Updated IAPP KnowledgeNet Silicon Valley: last activity moved to 2026-09-29; 2026-10-29 meeting added.
  • Updated IAPP KnowledgeNet San Francisco Bay Area: last activity moved to 2026-09-29; 2026-10-29 meeting listed.
  • Reverified DC408 (DEF CON Group San Jose).
  • Updated DC510: notes now give the 2026-11-08 meeting.
  • Reverified DC415 (DEF CON Group San Francisco).
  • Dormant: DC341 status changed from quiet to dormant (560 days since the 2025-04-10 archive capture used as last activity).
  • Reverified San Francisco 2600.
  • Reverified San Jose 2600.
  • Reverified BSidesSF.
  • Updated WiCyS Silicon Valley: last activity moved to 2026-09-24.
  • Reverified Cyversity Bay Area Chapter.
  • Updated Silicon Valley Cybersecurity Meetup: status changed from active to quiet (203 days since the 2026-04-02 meetup).
  • Reverified Pacific Hackers Association.
  • Reverified SJSU Cyber Intelligence & Security Club.
  • Reverified Women's Society of Cyberjutsu Bay Area.
  • Removed the IAPP joint meeting of 2026-09-29; the date has passed.
  • Removed the OWASP Bay Area meetup of 2026-09-30; the date has passed.
  • Removed the ISC2 East Bay member meeting of 2026-10-08; the date has passed.
  • Removed the ISACA San Francisco Fall Conference of 2026-10-08; the date has passed.
  • Removed the California Cybersecurity Education Summit of 2026-10-08; the date has passed.
  • Removed the ISSA Silicon Valley and WiCyS meeting of 2026-10-20; the date has passed.
  • Updated the WiCyS Silicon Valley Cloudflare evening: moved from 2026-10-22 to 2026-10-29.
  • Updated [un]prompted II (2026-10-27 to 2026-10-29): access notes added.
  • Updated SANS San Francisco 2026 (2026-11-02 to 2026-11-07): course fee details added.
  • Updated OWASP Global AppSec USA 2026 (2026-11-02 to 2026-11-06): access notes added.
  • Updated ISC2 East Bay Fall Conference (2026-11-13): price tiers after 2026-10-31 added.
  • Reverified the expected Pacific Hackers Conference (no 2026 date).
  • Updated BSidesSF 2027 from expected to confirmed for 2027-04-03 to 2027-04-04.
  • Updated RSAC 2027 from announced-tba to confirmed for 2027-04-05 to 2027-04-08 at Moscone Center.
  • Reverified ISACA Silicon Valley Annual Conference 2027.
  • Added Sudo Room (metro, active).
  • Added Noisebridge Hackerspace (metro, active).
  • Added AI Security Engineers San Francisco Bay Area (metro, active).
  • Added BERKE1337 (UC Berkeley Cybersecurity Club) (metro, quiet).
  • Added Women in Security and Privacy (WISP) SF Bay Area (metro, quiet).
  • Added Townsec (formerly HoodSec) (metro, dormant).
  • Added Bay Area Cyber Security Meetup (metro, dormant).
  • Added IAPP KnowledgeNet: Top 10 Trends in Cybersecurity Law (2026-10-29).
  • Added Hack of Horrors (online) (2026-10-30).
  • Added ThreatModCon San Francisco 2026 (2026-11-06).
  • Added DC510 monthly meeting (2026-11-08).
  • Added WiCyS Silicon Valley and Cisco: Vulnerability and Patching in the Post-LLM Era (2026-11-12).
  • Added ISACA Silicon Valley in-person chapter meeting (2026-11-19).
  • Added Fremont ACM: Computing at the Frontier, Emerging Technologies and Their Impact (2026-11-21).
  • Added The Official Cybersecurity Summit: Silicon Valley (February 2027) (2027-02-16).
  • Added Cyber Security Congress North America 2027 (TechEx North America) (2027-06-16).
  • Added Silicon Valley Cybersecurity Conference (SVCC 2027) (2027-06-21).
  • Added East Bay Cyber Kickoff (date to be announced).
  • Added HackTheBay 2027 (Held March 23, 2026 during RSAC week; 2027 date not yet announced).
  • Added ISC2 East Bay Winter Conference 2027 (date to be announced).
Fresno, CA: 8
  • Central San Joaquin Valley Cybersecurity Consortium: notes now mention its February 10, 2026 workforce summit with Fresno City College; last_activity stays 2026-06-24.
  • Clovis Community College Cyber Club: last_activity stays 2026-04-26, the end of the NCL Spring 2026 Team Game.
  • Root Access Hackerspace: last_activity moved from 2026-09-23 to 2026-10-12.
  • DC559 remains dormant; last_activity moved from 2019-03-16 to 2023-10-28.
  • CSJVCC Fall 2026 MeetUp: changed from confirmed on 2026-10-07 to announced-tba with no date.
  • CSJVCC New Year Kick Off MeetUp stays confirmed for Wednesday, January 27, 2027.
  • CSJVCC Summit stays confirmed for Wednesday, September 22, 2027.
  • NextTech Kern 2026 (Wednesday, October 28, 2026): registration fee now $95 and the September 28, 2026 early-bird deadline removed.
Frisco, TX: 45
  • Collin College Cybersecurity Program: notes now describe the October 1, 2026 career fair listing and the National Cyber League game dates. Status moved to quiet (189 days since April 16, 2026).
  • Dallas Hackers Association: last_activity moved to October 7, 2026; next meeting November 4, 2026.
  • DC214 (DEF CON Group Dallas) reverified; last meeting on the Meetup page is September 9, 2026.
  • Dallas 2600: last_activity moved to October 2, 2026; next meeting November 6, 2026.
  • BSides DFW: 2026 venue confirmed as Nedderman Hall, UT Arlington.
  • North Texas ISSA: last_activity moved to October 20, 2026 (CSC13); October 28, 2026 hands-on night added.
  • ISACA North Texas: notes now record the October 23, 2026 meeting as on hold.
  • ISC2 Chapter for DFW: notes now name the October 30, 2026 online session.
  • OWASP Dallas reverified as quiet; last event still December 4, 2025.
  • InfraGard North Texas: notes now list the October 29 summit invitation and the tentative November 12, 2026 FBI session.
  • WiCyS DFW: notes updated with the autumn 2026 event list.
  • IAPP KnowledgeNet Dallas: next meeting November 3, 2026 recorded.
  • Women's Society of Cyberjutsu Dallas reverified; last Meetup event September 19, 2025; owner confirmation kept.
  • UNT Cyber Security Club reverified; last dated meeting February 12, 2026.
  • SANS Dallas: 2026 edition at Hilton Richardson Dallas, December 7 to 12, 2026.
  • SecureWorld Dallas: last_activity moved to October 8, 2026 and status to active.
  • DC940: last_activity corrected to February 16, 2026 and status to quiet; the May 27, 2026 collaboration could not be reconfirmed.
  • CYBR.HAK.CON: the next edition is February 25, 2027 at the Irving Convention Center.
  • North Texas Cyber Security Group: status moved from dormant to active; last meeting October 15, 2026.
  • Added WoSEC Dallas: Women of Security (last activity 2026-09-29).
  • Added North DFW 2550 Meetup (DFW2600) (last activity 2026-10-16).
  • Added LibreTechnica (formerly CryptoParty DFW) (last activity 2026-10-21).
  • Added ASIS North Texas Chapter 10 (last activity 2026-08-13).
  • Added UT Dallas Computer Security Group (CSG) (last activity 2026-09-26).
  • Added Dallas Cloud Security Meetup (last activity 2025-10-15).
  • Added North Texas CMMC Meetup (CPN North Texas GovSec Meetup) (last activity 2026-06-10).
  • Removed Collin College IT/Cyber Annual Career Fair (October 1, 2026).
  • Removed Secure Dallas 2026 (October 1, 2026).
  • Removed SecureWorld Dallas 2026 (October 8, 2026).
  • Removed North Texas ISSA Lunch and Learn: Deepfakes (joint with InfraGard) (October 9, 2026).
  • Removed North Texas ISSA Cybersecurity Conference 13 (CSC13) (October 20, 2026).
  • GPSEC Dallas 2026 (October 29, 2026): venue name corrected to Omni PGA Frisco Resort & Spa.
  • Official Cybersecurity Summit: Dallas (October 29, 2026): notes restated from the registration page.
  • BSides DFW 2026 (November 7, 2026): venue is Nedderman Hall at UT Arlington, 8:00 a.m. to 6:00 p.m.
  • SANS Dallas 2026 (December 7 to 12, 2026): early-bird deadline removed; hotel and refund deadlines kept.
  • Added 2026 UDallas Cyber Summit: Leading Through Change: AI, Cybersecurity, and Talent (2026-10-22).
  • Added Women of Security: October Meetup (2026-10-27).
  • Added North Texas ISSA Hands-On: AI Night, Under the Hood of LLMs (2026-10-28).
  • Added ISC2 Chapter for DFW: Integrating Cybersecurity and ERM (2026-10-30).
  • Added IAPP KnowledgeNet Dallas: Privacy in the AI Era: Have We Found a Place? (2026-11-03).
  • Added InfraGard North Texas: FBI Case Studies: Real Infrastructure Threats and Investigations (date to be announced).
  • Added FutureCon Dallas Cybersecurity Conference 2027 (2027-01-20).
  • Added CYBR.HAK.CON 2027 (2027-02-25).
  • Added Minorities in Cybersecurity (MiC) Annual Conference 2027 (2027-03-21).
  • Added Brivo 2026 Global Cloud Security Summit (2026-10-26).
Garland, TX: 56
  • Last meeting now October 7, 2026; next listed meeting is November 4, 2026.
  • Last meeting still September 9, 2026; no October 2026 meeting posted.
  • Last meeting now October 16, 2026 (Plano); later dates listed through December 18, 2026.
  • Last monthly meeting now October 15, 2026.
  • Renamed to CPN North Texas GovSec Meetup (formerly North Texas CMMC Meetup); last meeting still June 10, 2026.
  • Last activity now the CSC13 conference on October 20, 2026; added the October 28 workshop and December 3 party.
  • Last activity now October 17, 2026; October 23, 2026 monthly meeting is on hold.
  • Last activity still September 25, 2026; webinar posted for October 30, 2026.
  • Still quiet; last event December 4, 2025 (online).
  • Notes now mention the October 9, 2026 joint lunch and learn; last activity unchanged at August 13, 2026.
  • Last own event September 19, 2026; partner listings for Secure Dallas and SecureWorld noted.
  • Last meeting September 29, 2026; October 27, 2026 meetup added as an event.
  • Last dated event still September 19, 2025; owner confirmation kept.
  • Last dated session still October 2, 2025; owner confirmation kept.
  • Added the November 3, 2026 meeting; last activity date of September 24, 2026 could not be re-confirmed.
  • Last workshop now October 21, 2026.
  • Status quiet to active; last activity now the September 26, 2026 online CTF.
  • Still quiet; last conference November 1, 2025; 2026 edition is November 7, 2026.
  • Status quiet to active; October 8, 2026 edition counted as last activity.
  • Still quiet; SANS Dallas 2026 runs December 7 to 12, 2026.
  • Notes now point to the February 25, 2027 edition in Irving.
  • Added DC940 (DEF CON Group Denton).
  • Added Minorities in Cybersecurity (MiC).
  • Added Collin College Cybersecurity Program.
  • Added ASIS North Texas Chapter 10.
  • Added UTA Cyber Security Club (CSEC).
  • Added University of Dallas Cybersecurity Program and Club.
  • Lunch and learn took place October 9, 2026 and is past.
  • CSC13 took place October 20, 2026
  • Scheduled October 22, 2026, now past
  • Talk was scheduled for October 22, 2026, now past.
  • Scheduled October 8, 2026, now past
  • Held October 1, 2026
  • Held October 7, 2026 (Eventbrite shows Event ended)
  • Held September 26, 2026
  • Still scheduled for November 5, 2026 at the West Garland Library; free.
  • Venue now Nedderman Hall at UT Arlington for November 7, 2026.
  • Now listed as open to the public at no charge; date and location still tentative.
  • Added the November 16 and November 20, 2026 deadlines.
  • Still October 29, 2026 at the Sheraton Dallas; standard admission $250, registrations reviewed.
  • Still October 29, 2026 at the Omni PGA Resort, Frisco; request-to-register.
  • Still January 20, 2027, hybrid; venue and terms not stated.
  • Still expected for late March 2027; no dates announced.
  • Added North Texas ISSA Hands-On: AI Night, Under the Hood of LLMs (2026-10-28).
  • Added North Texas ISSA Holiday Party (2026-12-03).
  • Added ISC2 Chapter for DFW: Integrating Cybersecurity and ERM (2026-10-30).
  • Added Women of Security: October Meetup (2026-10-27).
  • Added IAPP KnowledgeNet Dallas: Privacy in the AI Era: Have We Found a Place? (2026-11-03).
  • Added CYBR.HAK.CON 2027 (2027-02-25).
  • Added Minorities in Cybersecurity (MiC) Annual Conference 2027 (2027-03-21).
  • Added Brivo 2026 Global Cloud Security Summit (2026-10-26).
  • Added SecureWorld Dallas 2027 (no date yet).
  • Added Secure Dallas 2027 (no date yet).
  • Added Texas Security Workshop 2027 (no date yet).
  • Added North Texas ISSA Cybersecurity Conference (CSC14) (no date yet).
  • Added BSides DFW 2027 (no date yet).
Gilbert, AZ: 57
  • EVSec last_activity moved to 2026-10-01; Meetup lists November 5 and December 3, 2026 meetings.
  • OWASP Phoenix last_activity moved to 2026-10-06; December 1, 2026 talk added as an event.
  • ISSA Phoenix chapter page re-read; Q4 meeting is October 22, 2026; 2027 meetings all TBD.
  • ISACA Phoenix: November 5 and December 4, 2026 chapter meetings added as events.
  • ISC2 Phoenix last_activity set to 2026-07-14; November 18, 2026 happy hour added as an event.
  • InfraGard Arizona re-read; June 18, 2026 virtual meeting is still the latest held event; Annual Member Meeting is October 22, 2026.
  • IAPP KnowledgeNet Phoenix re-checked; still dormant with no meeting listed.
  • WiCyS Phoenix re-read; Winter Celebration on December 17, 2026 still listed.
  • CSA Arizona last_activity moved to 2026-08-27 (quarterly summit with GCISC).
  • DC480 re-read; the site still says it usually meets the second Tuesday; no dated meeting posted.
  • DC602 re-read; the site still lists 6 p.m. third Thursdays at CBTS; no dated meeting posted.
  • PHX2600 last_activity moved to 2026-10-02 from a same-day organizer post.
  • PROTECTPHX last_activity moved to 2026-10-12.
  • Central Cybersecurity Meetup re-read; still quiet, last event July 17, 2025.
  • Arizona Cyber Security (Meetup) re-read; June 25, 2026 is still its latest event.
  • CactusCon notes updated: CFP closed, hotel block open.
  • SecureWorld Phoenix: 2027 page found, no date.
  • GCU Cyber Center re-read; Lopes Cyber Con sessions listed from November 19, 2026 to June 17, 2027.
  • HeatSync Labs last_activity moved to 2026-10-06 (OWASP Phoenix meeting there).
  • Added AWS Phoenix User Group (last session held 2026-06-18).
  • Added Technology Education Collaborative at the Advanced Cyber Systems Lab (adjacent; last event 2026-10-08).
  • Added West-Phoenix Cyber Security Discussions (online; last meeting 2026-10-07).
  • Added Arizona Cyber Threat Response Alliance (ACTRA), members-only.
  • Added ASIS International Phoenix Chapter (adjacent; last event 2026-09-25).
  • Added Southwest CyberSec Forum as dormant (last meeting 2023-08-07).
  • Removed Innovate Cybersecurity Summit Scottsdale (October 4 to 6, 2026): date has passed.
  • Removed OWASP Phoenix October 6, 2026 meeting: date has passed.
  • Removed ISC2 Phoenix October 20, 2026 membership meeting: date has passed.
  • ISSA Phoenix Q4 meeting on October 22, 2026 re-read; free to everyone.
  • InfraGard Arizona Annual Member Meeting on October 22, 2026 re-read.
  • WECC workshop (October 27 to 29, 2026) re-read.
  • FutureCon Phoenix (October 29, 2026) re-read.
  • Scottsdale Cybersecurity Summit (November 20, 2026) re-read.
  • Health-ISAC Fall Americas Summit (November 30 to December 4, 2026) re-read.
  • State of Arizona Cyber Summit (December 11, 2026) re-read.
  • WiCyS Winter Celebration (December 17, 2026) re-read.
  • CactusCon 15 (February 5 and 6, 2027) re-read; CFP closed.
  • ElevateIT Phoenix Technology Summit (March 3, 2027) re-read.
  • AZTC Cybersecurity Summit 2027 still expected in May.
  • Phoenix Security & Audit Conference 2027 still expected in late September.
  • Arizona Technology Summit 2027 still announced with no day.
  • BSides Phoenix 2027 (October 16, 2027) re-read; date still only on bsides.org.
  • Added ISACA Phoenix chapter meeting.
  • Added ISC2 Phoenix November happy hour.
  • Added OWASP Phoenix December meeting.
  • Added ISACA Phoenix chapter meeting.
  • Added AZTC Cybersecurity Breakfast Forum 2027.
  • Added INTERFACE Phoenix 2027.
  • Added SecureWorld Phoenix 2027.
  • Added Innovate Cybersecurity Summit Scottsdale 2027 (October 3 to 5, 2027).
  • Added GCU Lopes Cyber Con session on 2026-11-19.
  • Added GCU Lopes Cyber Con session on 2026-12-17.
  • Added GCU Lopes Cyber Con session on 2027-01-21.
  • Added GCU Lopes Cyber Con session on 2027-02-18.
  • Added GCU Lopes Cyber Con session on 2027-03-18.
  • Added GCU Lopes Cyber Con session on 2027-04-15.
  • Added ASIS Phoenix Law Enforcement Appreciation Luncheon (2026-11-18), adjacent.
Glendale, AZ: 51
  • Glendale Community College: archived-page schedule removed; meeting times marked unreadable; last_activity stays June 29, 2026.
  • GCU Cyber Center: last_activity moved to October 15, 2026; access set to students-only; sessions listed through June 17, 2027.
  • EMCC CSLU club stays dormant (last_activity February 19, 2025).
  • OWASP Phoenix last_activity moved to October 6, 2026; December 1, 2026 talk added.
  • EVSec last_activity moved to October 1, 2026; November 5 and December 3, 2026 meetings noted.
  • PHX2600 note rewritten: no dated meeting found; last_activity is a listing-based inference.
  • ISSA Phoenix: October 22, 2026 meeting removed as a past event; all 2027 meetings listed TBD.
  • ISACA Phoenix: November 5 and December 4, 2026 chapter meetings added as events.
  • ISC2 Phoenix: November 18, 2026 happy hour added; October 20 virtual meeting removed.
  • InfraGard Arizona: 2026 Annual Member Meeting (October 22) removed as past; last_activity stays June 18, 2026.
  • WiCyS Phoenix re-read; December 17, 2026 event unchanged.
  • PROTECTPHX last_activity moved to October 12, 2026; Tacos+Tech on November 9 and December 14, 2026 added.
  • CSA Arizona re-read; last_activity stays May 11, 2026.
  • Arizona Cyber Security Meetup re-read; last event June 25, 2026.
  • DC480 re-read; note reworded.
  • DC602 re-read; note reworded.
  • Central Cybersecurity Meetup re-read; still quiet.
  • IAPP KnowledgeNet Phoenix stays dormant (last_activity March 27, 2025).
  • CactusCon note updated: CactusCon 15 call for papers is closed.
  • SecureWorld Phoenix note updated: a 2027 page exists.
  • ASIS Phoenix last_activity moved to September 25, 2026 (Desert Security Golf Classic); URL corrected.
  • HeatSync Labs last_activity moved to October 6, 2026.
  • Removed Innovate Cybersecurity Summit Scottsdale (October 4 to 6, 2026).
  • Removed OWASP Phoenix October 6, 2026 talk.
  • Removed ISC2 Phoenix Fall Membership Meeting (October 20, 2026).
  • Removed ISSA Phoenix Q4 2026 meeting (October 22, 2026).
  • Removed InfraGard Arizona 2026 Annual Member Meeting (October 22, 2026).
  • WECC Reliability & Security Workshop (October 27 to 29, 2026) re-read; price note added.
  • FutureCon Phoenix (October 29, 2026) re-read; hours and price note added.
  • Scottsdale Cybersecurity Summit (November 20, 2026): source moved to the registration page; $250 admission noted.
  • Health-ISAC Fall Americas Summit (November 30 to December 4, 2026): venue changed to Tucson, AZ.
  • State of Arizona Cyber Summit (December 11, 2026) re-read.
  • WiCyS Phoenix Winter Celebration (December 17, 2026) re-read.
  • CactusCon 15 (February 5 and 6, 2027): CFP deadline removed.
  • ElevateIT Phoenix (March 3, 2027) re-read; price note added.
  • AZTC Cybersecurity Summit 2027 stays expected; note updated.
  • INTERFACE Phoenix 2027 stays announced-tba; note updated.
  • Arizona Technology Summit 2027 stays announced-tba (September 2027).
  • Phoenix Security & Audit Conference 2027 stays expected.
  • BSides Phoenix (October 16, 2027): sources changed; venue changed to Phoenix, AZ.
  • Added AWS Phoenix User Group (last session June 18, 2026).
  • Added TEC Hardware Happy Hour (last October 8, 2026), adjacent.
  • Added OWASP Phoenix talk on December 1, 2026.
  • Added ISC2 Phoenix happy hour on November 18, 2026.
  • Added ISACA Phoenix chapter meeting on November 5, 2026.
  • Added ISACA Phoenix chapter meeting on December 4, 2026.
  • Added PROTECTPHX Tacos+Tech on November 9, 2026.
  • Added PROTECTPHX Tacos+Tech on December 14, 2026.
  • Added Innovate Cybersecurity Summit Scottsdale (October 3 to 5, 2027).
  • Added Cybersecurity Breakfast Forum 2027 as expected (usually September).
  • Added SecureWorld Phoenix 2027 as announced-tba.
Grand Prairie, TX: 56
  • Updated WiCyS Dallas Fort Worth (DFW) Affiliate: schedule_text changed; last activity 2026-09-19, status active.
  • Updated Dallas Hackers Association: last_activity changed; last activity 2026-10-07, status active.
  • Updated DC214 (DEF CON Group Dallas): schedule_text changed; last activity 2026-09-09, status active.
  • Updated Dallas 2600: last_activity, schedule_text changed; last activity 2026-10-02, status active.
  • Added North DFW 2550 Meetup (DFW2600) (last activity 2026-10-16, status active).
  • Added North Texas Cyber Security Group (NTXCSG) (last activity 2026-10-15, status active).
  • Added DC940 (DEF CON Group Denton) (last activity 2026-02-16, status quiet).
  • Updated North Texas ISSA: last_activity, location, schedule_text, access changed; last activity 2026-10-20, status active.
  • Updated ISACA North Texas Chapter: last_activity, location, schedule_text changed; last activity 2026-10-17, status active.
  • Reverified ISC2 Chapter for DFW (last activity 2026-09-25, status active).
  • Updated OWASP Dallas: location, schedule_text changed; last activity 2025-12-04, status quiet.
  • Updated InfraGard North Texas Members Alliance: location, schedule_text changed; last activity 2026-08-13, status active.
  • Updated Cyversity North Texas Chapter: location, schedule_text, access changed; last activity 2025-10-02, status active.
  • Updated IAPP KnowledgeNet Dallas: location, access changed; last activity 2026-09-24, status active.
  • Reverified Women's Society of Cyberjutsu Dallas (last activity 2025-09-19, status active).
  • Added WoSEC Dallas: Women of Security (last activity 2026-09-29, status active).
  • Added North Texas GovSec Meetup (formerly North Texas CMMC Meetup) (last activity 2026-06-10, status active).
  • Added LibreTechnica (formerly CryptoParty DFW) (last activity 2026-10-21, status active).
  • Updated ASIS North Texas Chapter 10: location changed; last activity 2026-08-13, status active.
  • Updated Cybersecurity Club at UT Arlington (CSEC): last_activity, location changed; last activity 2026-10-16, status active.
  • Updated Tarrant County College Cybersecurity Program: status, last_activity, location changed; last activity 2026-10-19, status active.
  • Added UT Dallas Computer Security Group (CSG) (last activity 2026-10-10, status active).
  • Added Collin College Cybersecurity Program (last activity 2026-10-01, status active).
  • Added University of Dallas Center for Cybersecurity (last activity 2025-10-15, status quiet).
  • Updated BSides DFW: location, schedule_text changed; last activity 2025-11-01, status quiet.
  • Updated SecureWorld Dallas: status, last_activity, schedule_text changed; last activity 2026-10-08, status active.
  • Reverified SANS Institute training events (Dallas area) (last activity 2025-12-06, status quiet).
  • Updated CYBR.HAK.CON: location, schedule_text changed; last activity 2026-05-27, status active.
  • Updated Minorities in Cybersecurity (MiC): last_activity, location changed; last activity 2026-10-09, status active.
  • Removed Secure Dallas 2026 (2026-10-01): the date has passed; rolled forward as secure-dallas-2027.
  • Removed CSEC: CVEs 101, Understanding Vulnerabilities in the Wild (2026-10-02): the date has passed.
  • Removed SecureWorld Dallas 2026 (2026-10-08): the date has passed; rolled forward as secureworld-dallas-2027.
  • Removed Bot Boost: Cybersecurity for Students (TCC Southeast) (2026-10-09): the date has passed.
  • Removed North Texas ISSA Lunch and Learn: Deepfakes (joint with InfraGard North Texas) (2026-10-09): the date has passed.
  • Removed North Texas ISSA Cybersecurity Conference 13 (CSC13) (2026-10-20): the date has passed; rolled forward as ntx-issa-csc14-2027.
  • Reverified 2026 UDallas Cyber Summit: Leading Through Change: AI, Cybersecurity, and Talent (2026-10-22).
  • Reverified The Official Cybersecurity Summit: Dallas (October 2026) (2026-10-29).
  • Reverified BSides DFW 2026 (2026-11-07).
  • Reverified SANS Dallas 2026 (2026-12-07).
  • Reverified FutureCon Dallas Cybersecurity Conference 2027 (2027-01-20).
  • Updated Lockheed Martin CYBERQUEST 2027 (high school cyber competition): Fort Worth listed as the 2027 in-person site; date remains April 10, 2027.
  • Updated Minorities in Cybersecurity (MiC) Annual Conference 2027: now confirmed for March 21 to 25, 2027 in Dallas.
  • Added Brivo 2026 Global Cloud Security Summit (2026-10-26).
  • Added Women of Security: October Meetup (2026-10-27).
  • Added North Texas ISSA Hands-On: AI Night, Under the Hood of LLMs (2026-10-28).
  • Added GPSEC Dallas 2026 (2026-10-29).
  • Added ISC2 Chapter for DFW: Integrating Cybersecurity and ERM (2026-10-30).
  • Added IAPP KnowledgeNet Dallas: Privacy in the AI Era: Have We Found a Place? (2026-11-03).
  • Added DataSecAI 2026 (2026-11-09).
  • Added InfraGard North Texas: FBI Case Studies: Real Infrastructure Threats and Investigations (dates not announced).
  • Added CYBR.HAK.CON 2027 (2027-02-25).
  • Added SecureWorld Dallas 2027 (dates not announced).
  • Added Secure Dallas 2027 (dates not announced).
  • Added North Texas ISSA Cybersecurity Conference (CSC14) (dates not announced).
  • Added The Official Cybersecurity Summit: Dallas (2027) (dates not announced).
  • Added UDallas Cyber Summit (2027) (dates not announced).
Greensboro, NC: 19
  • BSides Triad: November 5 and December 8, 2026 meetings now listed; last_activity kept at 2026-06-25.
  • ISC2 Piedmont Triad: October 13, 2026 meeting was scheduled in Winston-Salem; no later meeting posted; last_activity kept at 2026-07-28.
  • CSA NC Piedmont Area Chapter: still active, last meeting 2026-08-11; no later meeting posted.
  • ISSA Triad of NC stays dormant; last meeting 2023-07-27 is thin evidence.
  • N.C. A&T CREO: Cybersecurity Awareness Month 2026 series (October 6 to 29, 2026) added; status stays quiet with last_activity 2025-10-28.
  • Forsyth Tech Cybersecurity Center stays dormant; last activity 2024-11-09.
  • Removed BSides Triad Flash Talks (2026-09-28).
  • Removed ISC2 Piedmont Triad meeting (2026-10-13).
  • BSides Triad Holiday Party on 2026-12-08 still listed with no venue.
  • Removed 27th UNC Charlotte Cybersecurity Symposium (2026-10-06 to 2026-10-07).
  • Minuteman Cyber Cup stays expected; the 2026 edition was held on 2026-04-11 and no 2027 date is posted.
  • Triangle InfoSeCon 2026 (2026-10-30): ticket prices and hours added.
  • BSides RDU 2026 (2026-12-18): registration note added.
  • North Carolina Cybersecurity Symposium on 2027-02-26 still scheduled at McKimmon Center, Raleigh.
  • CackalackyCon 2027 (2027-05-14 to 2027-05-16): conference website now shows the 2027 dates and the DoubleTree by Hilton, Durham.
  • BSides Charlotte 2027 stays expected; the 2026 edition was held on 2026-03-28.
  • Added BSides Triad Meetup: Password Cracking with Hashcat (2026-11-05).
  • Added Designing Secure AI Agents at N.C. A&T CREO (2026-10-27).
  • Added UNC Charlotte Cybersecurity Symposium 2027 as expected; the 2026 edition was held 2026-10-06 to 2026-10-07.
Henderson, NV: 38
  • Updated last_activity to 2026-10-08 (October meetup) and confirmed the November 12, 2026 meetup at Taps and Barrels.
  • Updated last_activity to 2026-10-08 and added the November 12, 2026 meeting.
  • Updated last_activity to 2026-10-08 and added the November 11, 2026 lunch meeting.
  • Reverified; last meeting remains the September 18, 2026 annual meeting.
  • Reverified; last Las Vegas luncheon remains September 17, 2026.
  • Updated last_activity to 2026-09-29 after the cyber threat intelligence meeting.
  • Reverified as dormant; last event January 9, 2025.
  • Updated last_activity to 2026-10-02, the CyberWeek @ UNLV CTF with C2Society, and revised the venue and schedule wording.
  • Updated last_activity to 2026-10-19 (online project stream).
  • Reverified; owner confirmation of October 2, 2026 kept and no newer event found.
  • Reverified; last event remains April 30, 2026 and no fall 2026 event is posted.
  • Updated last_activity to 2026-10-07 (CyberSips social).
  • Reverified; Thursday 5:30 to 7:00 p.m. meetings still published, last dated activity May 4, 2026.
  • Reverified; 2026 edition was August 3 to 5, 2026.
  • Added The Diana Initiative (last activity 2026-08-09).
  • Added AWS User Group Las Vegas as an adjacent group (last activity 2026-07-18).
  • Added AFCEA Las Vegas Chapter as an adjacent group (last activity 2026-10-08).
  • Removed SANS Network Security 2026.
  • Removed Cloud Security Alliance Las Vegas September Chapter Meeting.
  • Removed CyberWeek @ UNLV 2026.
  • Removed OWASP Las Vegas: AI in your IDE, Building a Team of Bots.
  • Removed ISSA Las Vegas Q4 2026 Chapter Meeting.
  • Reverified for December 10, 2026 at the Westin Lake Las Vegas, Henderson.
  • Reverified for February 22 to 27, 2027 at Paris Las Vegas and recorded the November 3, 2026 early-bird deadline.
  • Reverified for April 5 to 9, 2027 at the Venetian Expo.
  • Reverified for April 20 and 21, 2027 at the Tuscany.
  • Reverified for June 28 to July 1, 2027 at Mandalay Bay; changed the source to the conference's own sites.
  • Reverified as expected; 2027 dates not confirmed.
  • Reverified as expected; 2027 dates not announced.
  • Reverified for August 5 to 8, 2027 and added the official forum page as the source for the Las Vegas Convention Center venue.
  • Added ISSA Las Vegas: Chaos as a Service, When Your AI Goes Off-Script (2026-11-11).
  • Added OWASP Las Vegas: Know Your AI, Secure Your AI (2026-11-12).
  • Added 25th Annual Tech & Cyber Expo at Nellis AFB (2026-11-05).
  • Added Tanium Converge 2026 (2026-11-16).
  • Added ISACA Training Week Las Vegas (date not confirmed).
  • Added F5 AppWorld 2027 (2027-03-16).
  • Added OSMOSISCon '27 (2027-05-23).
  • Added SANS Network Security 2027 (2027-09-27).
Hialeah, FL: 36
  • Updated HackMiami: last meetup now October 17, 2026; meetups held October 3 and October 17, 2026 were removed as past.
  • Reverified DCG305; last social August 22, 2026, none posted after.
  • Updated ISSA South Florida: last meeting October 15, 2026 (Lake Worth Beach); November 19 venue still not posted.
  • Updated ISC2 South Florida: last event is the virtual course of September 28 to 30, 2026; no later events listed as of October 22, 2026.
  • Updated ISACA South Florida: last activity now the October 21, 2026 online exercise; added the CRISC course and the December 17, 2026 holiday party.
  • Reverified OWASP South Florida as dormant (last meeting September 19, 2024).
  • Updated BSides South Florida notes: 2026 edition held May 8, 2026; 2027 edition announced for May 2027.
  • Reverified InfraGard South Florida; owner-confirmed active (September 27, 2026) is carried over; public calendar shows no events.
  • Updated SecureWorld South Florida: 2027 edition listed for May 13, 2027.
  • Reverified WiCyS Florida; last event April 29, 2026 (virtual).
  • Reverified Cyversity South Florida; last meeting May 21, 2026 at SecureWorld South Florida.
  • Updated Miami Dade College cybersecurity group to quiet; last activity the April 10, 2026 hackathon (196 days).
  • Reverified AI Security Engineers Miami; last meeting September 23, 2026, none posted after.
  • Reverified The Miami Cyber Gang; last activity the April 29, 2026 private dinner, no later event posted.
  • Reverified SANS Miami group; SANS Miami 2026 runs October 26 to 31, 2026 in Coral Gables.
  • Removed ISC2 South Florida virtual CAISP course (September 28 to 30, 2026).
  • Removed HackMiami meetup (October 3, 2026).
  • Removed HackMiami meetup (October 17, 2026).
  • Removed ISSA South Florida meeting (October 15, 2026).
  • Removed ISACA South Florida Incident Response Blitz (October 21, 2026).
  • Reverified HackMiami OWASP Top 10 Agentic Vulnerabilities meetup, November 7, 2026, 3:00 p.m.
  • Updated HackMiami Winter Hacker Fest (December 5, 2026): time 12:00 to 5:00 p.m., Pavilion 2 at Vista View Park, Davie.
  • Reverified ISSA South Florida meeting, November 19, 2026; venue still not posted.
  • Reverified ISSA South Florida Holiday Party, December 10, 2026, 6:00 p.m., Dave & Buster's Hollywood.
  • Updated SANS Miami 2026 (October 26 to 31, 2026): refund and hotel deadlines have passed and were removed.
  • Updated GPSEC Miami (October 28, 2026, Omni Fort Lauderdale): time corrected to 9:00 a.m. to 5:00 p.m. per the page header.
  • Updated ISACA South Florida Cyber Gala (November 18, 2026, Zoo Miami): nomination deadline passed and was removed.
  • Reverified Official Cybersecurity Summit South Florida as expected for 2027; the 2026 edition was April 30, 2026.
  • Updated SecureWorld South Florida 2027: now May 13, 2027 at Margaritaville Hollywood Beach Resort.
  • Reverified Secure Miami as expected for 2027; the 2026 edition was May 5, 2026.
  • Reverified HackMiami Conference 2027 as expected; the 2026 edition ran May 12 to 16, 2026.
  • Reverified BSides South Florida 2027 as announced for May 2027 at the Marriott Harbor Beach Resort; no day announced.
  • Updated Hemispheric Security Conference 2027 (May 13 to 14, 2027): venue is the FIU Student Academic Success Center; source switched to the institute's Eventbrite listing.
  • Added ISACA South Florida: CRISC Training (2026-10-28 to 2026-10-30).
  • Added South Florida Cyber Community Holiday Party & Toy Drive (2026-12-17).
  • Added NetDiligence Cyber Risk Summit Miami Beach 2027 (2027-02-22 to 2027-02-24).
Honolulu, HI: 25
  • Updated ISC2 Hawaii Chapter notes: the October membership meeting moved to October 22, 2026; last_activity stays September 16, 2026.
  • ISACA Hawaii Chapter status changed from active to quiet (last activity April 13, 2026).
  • Reverified DC808; last_activity stays July 14, 2026.
  • Reverified BSides Hawaii as dormant (owner-confirmed); site still shows only the October 8, 2025 edition.
  • Reverified CyberHawaii; last_activity stays June 24, 2026.
  • InfraGard Hawaii URL changed to https://www.infragardhawaii.org/ (the shared directory's address).
  • HATS status changed from active to quiet (last activity April 1, 2026); URL changed to the UH News article.
  • Grey Hats at UH Mānoa status changed from quiet to dormant (last dated activity April 2025).
  • Reverified ASIS Hawaii Chapter 134; calendar lists meetings through November 12, 2026.
  • OWASP Hawaii source changed to the chapter repository root.
  • Reverified Oahu DevOps/Cybersecurity Meetup Group as dormant (last meetup July 2, 2024).
  • Removed the ISC2 Hawaii October 15, 2026 meeting entry.
  • Removed the UH West Oʻahu Careers in IT and Cyber Fair (October 15, 2026).
  • Reverified the November 19, 2026 ISC2 Hawaii membership meeting.
  • ISC2 Hawaii Holiday Mixer (December 17, 2026): notes updated.
  • Reverified Hawaii Public Sector Cybersecurity Summit (December 2, 2026).
  • Reverified expected 2027 Hawaii Cybersecurity Conference; no 2027 dates announced.
  • Reverified INTERFACE Honolulu 2027 as announced-tba.
  • Reverified BSides Hawaii next edition as expected; none announced.
  • Reverified C-Side Hawaii as announced-tba.
  • Reverified Hawaii Cyber Project CTF 2027 as expected.
  • Reverified ASIS Hawaii meeting on November 12, 2026.
  • TOP COP Hawaii Awards Ceremony (October 30, 2026): notes updated for the unreadable ticket page.
  • Reverified ASIS Hawaii Holiday Party (December 2026, date TBD).
  • Added ISC2 Hawaii and Abnormal Spooky Pau Hana (October 29, 2026).
Houston, TX: 36
  • Updated HAHA: October 1, 2026 meeting is the latest held; Meetup schedules meetings through October 7, 2027.
  • Updated Houston 2600 notes: site still lists October 2, 2026 as the next meeting.
  • Reverified DC713 (second Thursdays, last activity August 5, 2026).
  • Reverified DC281 (third Thursdays, last activity August 5, 2026).
  • DC936 moved from quiet to dormant (last dated meeting April 17, 2025).
  • DC409 moved from active to quiet (last dated meeting April 8, 2026).
  • Reverified Hacking Club; stays active on the owner confirmation of September 27, 2026.
  • Updated Houston Locksport: October 21, 2026 social is the latest held; socials are scheduled through October 20, 2027.
  • Reverified East End Locksport as dormant (last dated session October 30, 2024).
  • Reverified Houston Cyber Peeps Mixer (last mixer April 23, 2026).
  • Reverified CYBR.SEC.Community (CYBR.SEC.CON held September 15 to 16, 2026).
  • Reverified Houston BSides (2026 edition held September 17, 2026).
  • Updated SecureWorld Houston: 2027 edition is listed for March 25, 2027.
  • Reverified ISSA South Texas (last meeting September 10, 2026).
  • Reverified ISACA Greater Houston Chapter (last event May 28, 2026).
  • Reverified OWASP Houston as quiet (last activity August 13, 2025).
  • Updated WiCyS Houston: October 22, 2026 workshop shows as ended; group is active.
  • Reverified Women in Cybersecurity - Cyberjutsu - Houston (Meetup last event April 18, 2019); active on the owner confirmation of October 2, 2026.
  • Reverified InfraGard Houston (last chapter meeting June 17, 2026).
  • Updated (CS)2AI Houston: latest held session is the online seminar of October 21, 2026.
  • Updated HawkNet: remaining fall meetings are November 3 and 17 and December 8, 2026.
  • Added Cybersecurity Circle (weekly Fridays at The Ion, with Sugar Land and Woodlands chapters).
  • Removed WiCyS Houston Agentic AI workshop of October 22, 2026.
  • Reverified The Official Cybersecurity Summit: Houston 2026 (November 12, 2026).
  • Updated CS4CA USA 2027 (March 2 to 3, 2027): early-bird deadline is January 4, 2027, not January 2, 2027.
  • Updated ICAIC 2027 (March 3 to 5, 2027): registration page now names the University of Houston, 4800 Calhoun Rd.
  • Reverified Texas Technology Summit 2027 (March 4, 2027).
  • Updated TEEX Cyber Readiness Summit 2027 (March 2 to 4, 2027): cost $375 recorded.
  • Reverified OT.SEC.CON 2027 (April 14 to 15, 2027).
  • Reverified CYBR.SEC.CON 2027 (September 22 to 23, 2027).
  • SecureWorld Houston 2027 moved from expected to confirmed for March 25, 2027.
  • Reverified ISACA GHC Spring Conference 2027 as expected; no 2027 date found.
  • Reverified Houston BSides 2027 as expected; no 2027 date posted.
  • Added ElevateIT: Houston Technology Summit 2027 (May 13, 2027).
  • Added ISC2 Houston Chapter (owner confirmed active on October 23, 2026).
  • Added Cloud Security Alliance Houston Chapter (last meeting October 22, 2026).
Huntsville, AL: 43
  • North Alabama ISSA last activity moved to 2026-10-20; sources now include the Rocket Secure page.
  • DC256 last activity set to 2026-08-21; the October 16, 2026 Rocket Secure workshops are gone.
  • Hack The Box meetup notes updated: October 16, 2026 Rocket Secure session cancelled, December party undated.
  • BSides Huntsville is dormant: last edition April 11 and 12, 2025 (559 days before 2026-10-23); NAC-ISSA says it returns in 2027.
  • ISACA Huntsville stays quiet (last event 2025-09-22); calendar showed no events on 2026-10-23.
  • ISC2 Huntsville stays dormant; chapter site still returns HTTP 520 on 2026-10-23.
  • InfraGard Huntsville stays active on last meeting 2026-07-08; chapter site certificate expired.
  • Cyber Huntsville last activity moved to 2026-10-06; November 2026 breakfast is on Monday, November 2.
  • National Cyber Summit 2027 confirmed for September 21 to 23, 2027.
  • Cyber Brews notes now mention the October 21, 2026 Blind Raven networking night as listed but not confirmed held.
  • 2600 Huntsville last activity set to 2026-10-02, the first Friday of October 2026.
  • Makers Local 256 still quiet; last activity 2025-10-28.
  • UAH Cybersecurity Club last activity 2026-10-21; next meetings November 4 and 18 and December 2, 2026.
  • UAH ISACA club last activity 2026-10-22; Hackoween CTF set for October 28, 2026.
  • UAH WiCyS last activity 2026-10-02; a social is listed for October 23, 2026.
  • WiCyS Northern Alabama stays dormant; last dated activity June 10, 2021.
  • CyberReach Women in Cyber stays dormant; last activity 2023-03-20.
  • Removed Rocket Secure 2026 (October 16 and 17, 2026).
  • Removed DC256 workshops at Rocket Secure (October 16, 2026).
  • Removed the October 6, 2026 Tech Tuesday breakfast.
  • Beers for Engineers on November 9, 2026 still scheduled.
  • NAC-ISSA lunch on November 10, 2026 still scheduled.
  • Meetup #16 on October 23, 2026 renamed as the Halloween special, with a Firefox kiosk talk.
  • Meetup #17 on November 13, 2026 at UAH I2C still scheduled.
  • Breakfast moved to Monday, November 2, 2026, 7:30 to 9:00 a.m.
  • December 1, 2026 breakfast on shadow AI still scheduled.
  • December 1, 2026 career fair now at The Westin Huntsville, 1:00 to 4:00 p.m. Central.
  • Forces of Cyber Gala on February 13, 2027 still listed.
  • Zero Trust Forum on February 25, 2027 still listed; location still TBD.
  • BSides Rocket City, March 20, 2027, now tied to the BSides Huntsville group.
  • National Cyber Summit 2027 now confirmed for September 21 to 23, 2027.
  • Critical Infrastructure Cybersecurity Symposium 2027 stays expected.
  • SANS Nashville February 1 to 6, 2027; early-bird deadline December 17, 2026 recorded.
  • BSides Nashville April 23, 2027 reverified; 2027 ticket information not yet posted.
  • Southeast Cybersecurity Conference 2027 stays expected; the organizer page still shows only April 15 and 16, 2026.
  • Added NAC-ISSA Beers for Engineers Halloween celebration (2026-10-29).
  • Added NAC-ISSA Members Christmas Party (2026-12-08), members only.
  • Added Cyber Huntsville Annual Member Reception (2026-11-10).
  • Added Palo Alto Networks Cyber Day Huntsville (2026-11-18), vendor hosted.
  • Added TechNet Rocket City 2026 (2026-11-04 to 2026-11-05), adjacent.
  • Added UAH ISACA Hackoween CTF (2026-10-28), UAH students only.
  • Added Huntsville hybrid career fair (2027-03-09).
  • Added BSides Birmingham 2026 (2026-12-05), regional; CFP closes 2026-10-31.
Indianapolis, IN: 27
  • Updated Indianapolis 2600: last_activity is now October 2, 2026; still active.
  • Reverified IndySec; last_activity stays July 10, 2026 (105 days, active).
  • Updated Central Indiana ISSA notes: last_activity stays March 12, 2026 (status quiet) and the chapter site was in maintenance mode on October 23, 2026.
  • Updated ISACA Central Indiana: status is now quiet (190 days since April 16, 2026).
  • Reverified OWASP Indianapolis; last_activity stays December 13, 2025 (status quiet).
  • Updated WiCyS Indianapolis: last_activity is now September 17, 2026 (online WiCyS 2027 call for proposals session); still active.
  • Updated InfraGard Indiana: last_activity stays November 6, 2025 (quiet); no report that the October 8, 2026 Fort Wayne joint meeting took place was found.
  • Reverified PINSecurity; last_activity stays August 31, 2026 (active).
  • Updated IndyAWS: last_activity stays September 22, 2026; notes mention the meetup listed for October 27, 2026.
  • Reverified DC317; stays dormant (last dated meeting April 7, 2016).
  • Reverified BSides Indy; stays dormant (last edition March 10, 2018).
  • Reverified CircleCityCon; stays dormant (last edition June 23 to 25, 2023).
  • Removed BSides Bloomington 2026 (October 2 and 3, 2026); rolled forward to bsides-bloomington-2027.
  • Removed the 2026 Cybersecurity Joint Meeting in Fort Wayne (October 8, 2026).
  • Updated The Cyber Pickle (October 29, 2026, 3:00 to 6:00 p.m., Carmel): notes now say the year appears only in structured data.
  • Updated the InfraGard Indiana annual event (November 9, 2026, Fishers): notes record that Eventbrite lists tickets at no charge.
  • Updated the NineStar seminar (November 11 and 12, 2026, Greenfield): notes flag the fee discrepancy.
  • Reverified the Ivy Tech Statewide IT Challenge (November 20, 2026); team applications close November 2, 2026.
  • Reverified the CERIAS Symposium as expected for early April 2027; no 2027 dates announced.
  • Reverified BSidesDayton on May 15, 2027 in Fairborn, OH.
  • Reverified the Indiana Public Sector Cybersecurity Summit as expected for mid-June 2027; no 2027 date announced.
  • Added BSides Bloomington 2027 as expected; 2026 edition was October 2 and 3, 2026.
  • Added BSides Fort Wayne 2027 as expected; held June 7, 2025 and June 6, 2026.
  • Added HackRedCon 2026 (December 4, 2026, Louisville, KY).
  • Added Queen City Conference 2026 (November 13 to 15, 2026, Cincinnati, OH).
  • Added the Louisville Metro InfoSec Conference 2027 as expected; the 2026 edition was September 11, 2026.
  • Added the Kentuckiana ISACA Secure Digital Conference 2027 as expected; the 2026 edition was March 26 and 27, 2026.
Irvine, CA: 62
  • Irvine Underground: the next meeting is 2026-11-13 at Blue Hummingbird (Meetup shows the November and December venue as TBD); last_activity stays 2026-09-18.
  • CSA Orange County: last_activity stays 2026-09-23; the meeting with Arcon on 2026-10-28 is added as an event.
  • OWASP Orange County still active on the strength of the 2026-06-24 joint meeting; nothing newer confirmed.
  • ISACA Orange County last_activity moved to 2026-10-15 (joint GRC conference with IIA OC, Fountain Valley); no scheduled events posted.
  • Cyber@UCI last_activity moved to 2026-10-21 (Password Cracking workshop on the club's own calendar); fall dates through 2026-12-02 replaced.
  • WiCyS UC Irvine stays dormant; the owner's dormant confirmation of 2026-09-27 is unchanged (last event 2025-05-12).
  • Google Cloud Security Irvine User Group stays dormant (only meeting 2024-11-06).
  • ISSA Orange County last_activity moved to 2026-09-24 (Cyber Industry Career Night, Fullerton College); chapter lunch meeting posted for 2026-10-27 in Irvine.
  • IAPP Orange County kept at last_activity 2026-08-12 (SoCal Chapters Summer Happy Hour); the chapter page lists no scheduled meetings.
  • HTCIA SoCal kept at last_activity 2026-09-21 (SoCalSec, Anaheim); SoCalSec happy hours added for 2026-11-16 and 2026-12-14.
  • DEF CON Group 714 last_activity corrected to 2026-06-10; the 2026-09-09 recap carries a not-yet-held tag on the speakers page.
  • OC2600 first-Friday meetings listed on Meetup for 2026-11-06, 2026-12-04, 2027-01-01 and 2027-02-05; last_activity stays 2026-09-04.
  • 23b Shop still active; last_activity stays 2026-09-04 and the weekly online Digital Hacker Happy Hour continues on Thursdays.
  • Women's Society of Cyberjutsu SoCal last_activity stays 2026-09-19 (online workshop); the 2026-10-03 workshop is not confirmed held.
  • Coastline cyber group kept at last_activity 2026-05-13 (NCyTE x STORM Community Connector).
  • Fullerton College Homeland Security and Emergency Center still active (Cyber Industry Career Night 2026-09-24); no scheduled events.
  • Offensive Security Society at CSUF stays quiet (last dated entry 2026-02-28).
  • OC Locksport stays dormant (last event 2024-11-03).
  • OC Cybersecurity meetup stays dormant (last event 2023-07-27).
  • STORM Cyber & AI Research Symposium (2026-10-03) removed.
  • WSC SoCal DevSecOps workshop (2026-10-03) removed.
  • California Technology Summit (2026-10-07, Anaheim) removed; the 2027 edition is added as announced-tba.
  • ISACA OC and IIA OC GRC conference (2026-10-15, Fountain Valley) removed.
  • OSSCON 2025 entry removed; an expected 2027 entry replaces it.
  • Cyber@UCI event 'Cyber@UCI: Veeva Information Session (with DCP and WICS)' removed.
  • Cyber@UCI event 'Cyber@UCI: Hacking into Cybersecurity: Intro to Cyber@UCI' removed.
  • Cyber@UCI event 'Cyber@UCI: Intern Panel' removed.
  • Cyber@UCI event 'Cyber@UCI: Meet the Subteams' removed.
  • Cyber@UCI event 'Cyber@UCI: CCDC Intro Meeting' removed.
  • Cyber@UCI event 'Cyber@UCI: Technical Resume Writing (with DCP)' removed.
  • Cyber@UCI event 'Cyber@UCI: OSINT Scavenger Hunt' removed.
  • Cyber@UCI event 'Cyber@UCI: The Weakest Link: Password Cracking' removed.
  • FutureCon San Diego Cybersecurity Conference 2026 (2026-11-05) still on the organizer's page.
  • ChannelPro DEFEND: Anaheim 2026 (2026-11-09) still on the organizer's page.
  • GovTech SoCal Public Sector Cybersecurity Summit (2026-11-12, Long Beach) access set to free and vetting-required.
  • San Diego CyberCon (2026-11-13) access set to paid; 50% chapter codes expired 2026-10-21.
  • GPSEC SoCal 2027-03-25 venue now '[AV] Irvine, 16500 Scientific'; registration is by request.
  • FutureCon Los Angeles Cybersecurity Conference 2027 (2027-03-31) still on the organizer's page.
  • SANS Security West 2027 (2027-05-10) still on the organizer's page.
  • FutureCon Orange County Cybersecurity Conference 2027 (2027-07-28) still on the organizer's page.
  • Planet Cyber Sec AI Conference, Orange County date corrected from None to 2027-03-03.
  • ISACA OC GRC Summit (Held on June 2 in 2026; 2027 date not yet announced) still on the organizer's page.
  • LayerOne 2027 (Usually held in late May; 2027 dates not yet announced) still on the organizer's page.
  • The Official Cybersecurity Summit: San Diego (Held on September 10 in 2026; 2027 date not yet announced) still on the organizer's page.
  • Cyber@UCI: CCDC Mock #1 on 2026-10-24: venue changed to say the location is not posted.
  • Cyber@UCI: Hacking Python: Escaping PyJails date corrected from 2026-10-29 to 2026-10-28.
  • Cyber@UCI: CCDC Invitationals #2 on 2026-10-31: venue changed to say the location is not posted.
  • Cyber@UCI: Cybersecurity Puzzles: Flash CTF Event date corrected from 2026-11-05 to 2026-11-04.
  • Cyber@UCI: CCDC Tryouts (2026-11-07) still on the organizer's page.
  • Cyber@UCI: Guest Speaker: Steven Doran (JPL) date corrected from 2026-11-12 to 2026-11-11.
  • Cyber@UCI: Hacking AI: Jailbreaking LLMs date corrected from 2026-11-19 to 2026-11-18.
  • Cyber@UCI: Game Night date corrected from 2026-11-26 to 2026-11-25.
  • Cyber@UCI: Cyber@UCI Showcase date corrected from 2026-12-03 to 2026-12-02.
  • Added ISSA OC Chapter Meeting: Surviving and Thriving During Security Assessments (2026-10-27).
  • Added CSA OC Meeting with Arcon: The New Identity Problem, Trusting AI Agents at Scale (2026-10-28).
  • Added SoCalSec November 2026 (2026-11-16).
  • Added SoCalSec December 2026 (2026-12-14).
  • Added ISC2 SECURE Los Angeles 2026 (2026-12-10).
  • Added Planet Cyber Sec AI - AppSec, Los Angeles (2027-06-09).
  • Added EnergySec Security AND Compliance Summit 2027 (2027-08-16).
  • Added California Technology Summit 2027 ().
  • Added OSSCON (Offensive Security Society conference) (Last held on October 18, 2025; no later edition announced).
Irving, TX: 49
  • Updated North Texas ISSA: last activity 2026-10-20 (CSC13), October 28, 2026 hands-on night and December 3, 2026 party noted.
  • Reverified WiCyS Dallas Fort Worth (DFW) Affiliate; no change.
  • Updated Dallas Hackers Association: last activity 2026-10-07; meetup listed for November 4, 2026.
  • Reverified DC214 (DEF CON Group Dallas); no change.
  • Updated Dallas 2600: last activity 2026-10-02; meetings listed for November 6 and December 4, 2026.
  • Updated ISACA North Texas Chapter: October 23, 2026 meeting is on hold and not listed.
  • Reverified ISC2 Chapter for DFW; no change.
  • Reverified OWASP Dallas; no change.
  • Reverified InfraGard North Texas Members Alliance; no change.
  • Reverified Cyversity North Texas Chapter; no change.
  • Reverified IAPP KnowledgeNet Dallas; no change.
  • Reverified Women's Society of Cyberjutsu Dallas; no change.
  • Reverified ASIS North Texas Chapter 10; no change.
  • Updated University of Dallas Center for Cybersecurity: scheduled October 22, 2026 summit has no report, so it stays quiet.
  • Updated BSides DFW: 2026 venue announced as Nedderman Hall, UT Arlington.
  • Updated SecureWorld Dallas: last activity 2026-10-08 (22nd edition); status active.
  • Reverified SANS Institute training events (Dallas area); no change.
  • Updated CYBR.HAK.CON: 2027 edition on February 25, 2027 at the Irving Convention Center.
  • Updated Minorities in Cybersecurity (MiC): last activity 2026-10-09; 2027 conference confirmed.
  • Updated WoSEC Dallas: last activity 2026-09-29; October 27, 2026 meetup listed.
  • Reverified North Texas CMMC Meetup; no change.
  • Updated LibreTechnica: last activity 2026-10-21; third-Wednesday rule recorded.
  • Removed Secure Dallas 2026 (2026-10-01): the date has passed.
  • Removed Tyler Area Chamber of Commerce 2026 Cybersecurity Conference (2026-10-07): the date has passed.
  • Removed SecureWorld Dallas 2026 (2026-10-08): the date has passed.
  • Removed North Texas ISSA Lunch and Learn: Deepfakes (joint with InfraGard North Texas) (2026-10-09): the date has passed.
  • Removed North Texas ISSA Cybersecurity Conference 13 (CSC13) (2026-10-20): the date has passed.
  • Removed 2026 UDallas Cyber Summit: Leading Through Change: AI, Cybersecurity, and Talent (2026-10-22): the date has passed.
  • Updated The Official Cybersecurity Summit: Dallas (October 2026).
  • Reverified GPSEC Dallas 2026 (2026-10-29); no change.
  • Updated BSides DFW 2026.
  • Reverified SANS Dallas 2026 (2026-12-07); no change.
  • Updated FutureCon Dallas Cybersecurity Conference 2027.
  • Reverified Lockheed Martin CYBERQUEST 2027 (high school cyber competition) (2027-04-10); no change.
  • Reverified The Richmond CIO & Cybersecurity Forum (Las Colinas) (2027-05-02); no change.
  • Updated ElevateIT: Dallas Technology Summit 2027.
  • Updated Minorities in Cybersecurity (MiC) Annual Conference 2027.
  • Added Women of Security: October Meetup (2026-10-27).
  • Added North Texas ISSA Hands-On: AI Night, Under the Hood of LLMs (2026-10-28).
  • Added ISC2 Chapter for DFW: Integrating Cybersecurity and ERM (2026-10-30).
  • Added IAPP KnowledgeNet Dallas: Privacy in the AI Era: Have We Found a Place? (2026-11-03).
  • Added DataSecAI 2026 (2026-11-09).
  • Added CYBR.HAK.CON 2027 (2027-02-25).
  • Added InfraGard North Texas: FBI Case Studies: Real Infrastructure Threats and Investigations (date not yet announced).
  • Added SecureWorld Dallas 2027 (date not yet announced).
  • Added Secure Dallas 2027 (date not yet announced).
  • Added North Texas ISSA Cybersecurity Conference (CSC14) (date not yet announced).
  • Added The Official Cybersecurity Summit: Dallas (2027) (date not yet announced).
  • Added UDallas Cyber Summit (2027) (date not yet announced).
Jacksonville, FL: 20
  • Last meeting is now October 2, 2026; Meetup posts meetings through February 5, 2027.
  • Still correct; last meeting July 20, 2026, none posted after it.
  • Meeting list extended to April 22, 2027; October 8, 2026 meeting not confirmed as held, so last activity stays May 8, 2025.
  • Status changed from active to quiet (last dated seminar April 17, 2026); new online webinar on November 4, 2026.
  • Notes now record that the organizer's about and tickets pages disagree on who attends free.
  • Still quiet; events page lists meetings through June 24, 2025.
  • Still active; last session April 29, 2026 (online).
  • Owner-confirmed active kept; Meetup shows no event after July 26, 2022.
  • Still quiet; latest dated activity is the June 2025 GenCyber camp.
  • Still dormant; latest dated activity March 14, 2023.
  • Still dormant; last meeting March 28, 2023.
  • BSides JAX 2027 (February 19 to 20, 2027) reverified; added training early-bird deadline of January 31, 2027.
  • Removed the October 8, 2026 ISSA meeting.
  • November 12, 2026 meeting still listed on the chapter site.
  • January 21, 2027 meeting still listed on the chapter site.
  • March 4, 2027 meeting still listed on the chapter site.
  • Removed the October 16, 2026 ISACA seminar.
  • The Official Cybersecurity Summit Jacksonville on December 2, 2026 still listed at $250.
  • Added ISSA Northeast Florida chapter meeting (April 22, 2027).
  • Added ISACA Jacksonville online webinar on zero trust access (November 4, 2026).
Jersey City, NJ: 57
  • Updated DC201 notes: more channels checked on 2026-10-23, still no meeting after 2022-07-15.
  • Updated HCCC Cybersecurity Club notes: page lists nothing after 2025-10-18.
  • Updated ISC2 New Jersey Chapter: last meeting was online on 2026-10-22; sources and notes refreshed.
  • Updated ISACA New Jersey Chapter: notes now cover the 2026-11-19 membership meeting.
  • Reverified ISSA New Jersey Chapter on 2026-10-23.
  • Reverified HTCIA New York Metro Chapter on 2026-10-23.
  • Reverified OWASP New York City Chapter on 2026-10-23.
  • Reverified Cloud Security Alliance New Jersey Chapter on 2026-10-23.
  • Reverified InfraGard New Jersey Members Alliance on 2026-10-23.
  • Reverified DC212 (DEF CON Group New York City) on 2026-10-23.
  • Updated DC862: last meeting 2026-10-02 in Fairfield; 2026-11-06 meeting is online.
  • Updated DC908: last event 2026-10-22 (Trivia Fright Night); a talk is set for 2026-11-19.
  • Updated NYC2600: last meeting 2026-10-02 at Citigroup Center.
  • Updated Hack Manhattan Locksport Workshop: latest session 2026-10-04, series runs to 2026-12-27.
  • Updated WiCyS NY Metro Affiliate: notes mention promoted events in October 2026.
  • Updated Women's Society of Cyberjutsu NYC: last activity now 2026-08-27 (owner confirmation of 2026-10-02 kept).
  • Updated Cloud Security Meetup New York: notes mention LLMday NYC on 2026-10-29.
  • Updated Stevens Cyber Defense Team: last activity 2026-10-15.
  • Updated Kean University Center for Cybersecurity: last activity 2026-10-12; notes list its webinars scheduled after October 23, 2026.
  • Updated BSidesNYC: held 2026-10-17, now active.
  • Reverified SecureWorld New York City on 2026-10-23.
  • Removed DC862: Visit Jersey Spirits (2026-10-02).
  • Removed New Jersey Public Sector Cybersecurity Summit 2026 (2026-10-08).
  • Removed BSidesNYC 0x06 (2026-10-17).
  • Updated SecureWorld New York City 2026 (2026-10-29): note on the site's passed-event template message.
  • Updated NY Metro Joint Cyber Security Conference 2026 (2026-11-05): venues given with addresses.
  • Reverified CSAW'26 on 2026-10-23.
  • Updated The Official Cybersecurity Summit: New York (2026-11-17): organizer wording.
  • Reverified ISC2 New Jersey Chapter Holiday Dinner 2026 on 2026-10-23.
  • Updated ISC2 New Jersey CTF for Novices: now confirmed for 2026-11-14 at Saint Peter's University.
  • Updated SECON New Jersey 2027: still expected; note added.
  • Updated BSides South Jersey 2027: still announced without a date.
  • Added NYSEC.
  • Added Brooklyn NYSEC.
  • Added NYC Red Team Study Group (Hack Manhattan).
  • Added The Sprawl.
  • Added ISACA New York Metropolitan Chapter.
  • Added HOPE (Hackers On Planet Earth).
  • Added Summercon.
  • Added Google Cloud Security New York City User Group.
  • Added CUCyber (Columbia University Computer Security Club).
  • Added NYU OSIRIS Lab.
  • Added Baruch ISACA Cybersecurity Club.
  • Added NJIT Cyber Security Network (CSN).
  • Added DC862 Annual Town Hall and Meta Ray-Ban Display attack surface talk (2026-11-06).
  • Added SpookyCTF 2026 (2026-11-06).
  • Added DC908: The Com and the Cybercrime Ecosystem (2026-11-19).
  • Added ISACA New Jersey Chapter Membership Meeting (2026-11-19).
  • Added BSides Philadelphia 2026 (2026-12-11).
  • Added The Official Cybersecurity Summit: New York (February 2027) (2027-02-23).
  • Added BSides CT 2027.
  • Added BSidesNYC 2027.
  • Added HOPE 2027.
  • Added JerseyCTF VII.
  • Added NY Metro Joint Cyber Security Conference 2027.
  • Added SecureWorld New York City 2027.
  • Added Summercon 2027.
Kansas City, MO: 37
  • Updated SecKC: last activity now October 13, 2026.
  • Updated Greater Kansas City 2600: last activity now October 2, 2026.
  • Updated ISC2 Kansas City Chapter: last activity now October 7, 2026.
  • Reverified ISSA Greater Kansas City (last activity September 24, 2026).
  • Updated ISACA Greater Kansas City: last activity now October 8, 2026.
  • Updated WiSKC notes; added the November 18, 2026 meeting.
  • Reverified WiCyS Kansas City Metroplex (last activity August 11, 2026).
  • Updated TOOOL Kansas City: last activity now October 13, 2026.
  • Reverified BSidesKC; 2027 edition April 24, 2027.
  • Updated SecureWorld Kansas City schedule text for April 15, 2027.
  • Reverified CSA Kansas City (quiet, last activity September 23, 2025).
  • Updated JCCC Cybersecurity Club: last activity now October 21, 2026.
  • Updated ASIS Greater Kansas City: last activity now October 1, 2026.
  • Updated AWS Kansas City User Group: last activity now October 22, 2026.
  • Reverified OWASP Kansas City (dormant, last activity April 18, 2024).
  • Reverified InfraGard Kansas City (dormant, last activity December 1, 2022).
  • Reverified DC816 (dormant, last activity April 12, 2012).
  • Removed ISACA KC October 8, 2026 chapter meeting.
  • Reverified SheLeadsTech KC lunch on October 29, 2026.
  • Removed ISC2 KC October 7, 2026 meeting.
  • Removed SecKC October 2026 meeting (October 13, 2026).
  • Updated SecKC November 10, 2026: 5:00 to 9:00 p.m. with posted agenda.
  • Updated SecKC December 8, 2026: 5:00 to 9:00 p.m., agenda template.
  • Updated Hobocon 3: still no dates.
  • Reverified WiSKC and CyberSpeak Labs Tea Party on October 24, 2026.
  • Removed ASIS KC October 1, 2026 meeting.
  • Removed AWS KC User Group October 22, 2026 meetup.
  • Removed OptivCon Kansas City (October 7, 2026).
  • Updated Kansas City Cyber Conference November 4, 2026: added hours 8:30 a.m. to 4:30 p.m.
  • Reverified Missouri Public Sector Cybersecurity Summit on October 28, 2026.
  • Updated BSidesKC 2027 notes (April 24, 2027).
  • Updated SecureWorld Kansas City 2027 from expected to confirmed for April 15, 2027.
  • Reverified FutureCon Kansas City on June 10, 2027.
  • Reverified KU Cybersecurity Intelligence Conference as expected (2026 edition March 31 to April 1).
  • Added WiSKC November meeting (November 18, 2026).
  • Added ASIS KC chapter meeting (November 5, 2026).
  • Added AWS KC User Group holiday event (December 14, 2026).
Laredo, TX: 4
  • Laredo College Cybersecurity Institute stays dormant with last_activity 2023-07-28.
  • BSides SATX 2027 stays confirmed for June 11 and 12, 2027.
  • BSides RGV stays expected; 2027 dates not announced.
  • Added St. Philip's College Cyber Fiesta in San Antonio on April 8, 2027 (regional, free).
Las Vegas, NV: 41
  • Updated last_activity to 2026-10-08 (October meetup) and confirmed the November 12, 2026 meetup at Taps and Barrels.
  • Updated last_activity to 2026-10-08 and added the November 12, 2026 meeting.
  • Updated last_activity to 2026-10-08 and added the November 11, 2026 lunch meeting.
  • Reverified; last meeting remains the September 18, 2026 annual meeting.
  • Reverified; last Las Vegas luncheon remains September 17, 2026.
  • Updated last_activity to 2026-09-29 after the cyber threat intelligence meeting.
  • Reverified as dormant; last event January 9, 2025.
  • Updated last_activity to 2026-10-02, the CyberWeek @ UNLV CTF run with C2Society, and revised the venue and schedule wording.
  • Updated last_activity to 2026-10-19 (online project stream).
  • Reverified; owner confirmation of October 2, 2026 kept and no newer event found.
  • Reverified; last activity remains the August 7 to 9, 2026 DEF CON space.
  • Updated to active with last_activity 2026-10-08 and recorded the second-Thursday rule.
  • Reverified; last event remains April 30, 2026 and no fall 2026 event is posted.
  • Updated last_activity to 2026-10-07 (CyberSips social).
  • Reverified; Thursday 5:30 to 7:00 p.m. meetings still published, last dated activity May 4, 2026.
  • Reverified; 2026 edition was August 3 to 5, 2026.
  • Reverified as dormant; last meeting June 14, 2024.
  • Added AWS User Group Las Vegas as an adjacent group (last activity 2026-07-18).
  • Added AFCEA Las Vegas Chapter as an adjacent group (last activity 2026-10-08).
  • Removed Cloud Security Alliance Las Vegas September Chapter Meeting.
  • Removed CyberWeek @ UNLV 2026.
  • Removed OWASP Las Vegas: AI in your IDE, Building a Team of Bots.
  • Removed ISSA Las Vegas Q4 2026 Chapter Meeting.
  • Removed OneCon 2026.
  • Removed Gartner Identity & Access Management Summit 2026.
  • Reverified for November 16 to 19, 2026 at ARIA; added ticket pricing.
  • Reverified as announced-tba; the page names Las Vegas, 16 to 19 November, without a year.
  • Reverified for December 10, 2026 at the Westin Lake Las Vegas, Henderson.
  • Reverified for February 22 to 27, 2027 at Paris Las Vegas and recorded the November 3, 2026 early-bird deadline.
  • Reverified for March 16 to 18, 2027 at the Fontainebleau Las Vegas.
  • Reverified for April 5 to 9, 2027 at the Venetian Expo.
  • Reverified for April 20 and 21, 2027 at the Tuscany.
  • Reverified for May 23 to 25, 2027 and added the Rio Hotel & Casino as the venue.
  • Reverified for June 28 to July 1, 2027 at Mandalay Bay; changed the source to the conference's own site.
  • Reverified as expected; 2027 dates not confirmed.
  • Reverified as expected; 2027 dates not announced.
  • Reverified for August 5 to 8, 2027; venue now reads Las Vegas Convention Center and the forum announcement is a source.
  • Added ISSA Las Vegas: Chaos as a Service, When Your AI Goes Off-Script (2026-11-11).
  • Added OWASP Las Vegas: Know Your AI, Secure Your AI (2026-11-12).
  • Added 25th Annual Tech & Cyber Expo at Nellis AFB (2026-11-05).
  • Added SANS Network Security 2027 (2027-09-27).
Lexington, KY: 18
  • ISACA Kentuckiana Chapter: last_activity stays 2026-08-21; notes now say no meeting page after 2026-08-21 was found.
  • DC859 stays dormant; last dated meeting 2019-04-09.
  • InfraGard Kentucky Members Alliance stays active under the owner confirmation of 2026-09-27; last_activity stays 2024-04-30.
  • BCTC Cybersecurity Center is now dormant; last event 2025-04-11.
  • EKU CCDC Club stays active; last meeting 2026-09-22.
  • UK_CYBERCON 2026 (2026-10-14) removed as a past event; rolled forward to UK_CYBERCON 2027.
  • Added UK_CYBERCON 2027 (date not yet announced; expected October).
  • 2026 Kentucky Cybersecurity and Forensics Conference confirmed for 2026-10-30; poster abstracts due 2026-10-23.
  • Cyber Bluegrass 2026 confirmed: training week 2026-10-19 to 2026-10-23, exercise 2026-10-27 to 2026-10-29.
  • HackRedCon 2026 confirmed for 2026-12-04 at the Student Activity Center, Louisville.
  • 2026 NKU Cybersecurity Symposium (2026-10-16) removed as a past event; rolled forward to the 2027 symposium.
  • Added NKU Cybersecurity Symposium 2027 (date not yet announced; expected October).
  • Queen City Conference confirmed for 2026-11-13 to 2026-11-15 in Cincinnati.
  • BSidesDayton 2027 confirmed for 2027-05-15 in Fairborn, OH.
  • Louisville Metro InfoSec Conference 2027 stays expected; the 2026 edition was 2026-09-11.
  • Kentuckiana ISACA Secure Digital Conference 2027 stays expected; the 2026 edition was 2026-03-26 to 2026-03-27.
  • KY Blue Team Summit 2027 stays expected; the 2026 summit was 2026-05-21.
  • Added SKYCTC CyberSafe Summit 2026 (2026-10-27, Bowling Green; free, online option).
Lincoln, NE: 16
  • Reverified Cyber Strong Nebraska; last_activity stays June 8, 2026 (active).
  • Updated ISC2 Omaha-Lincoln schedule: Nov. 18, 2026 joint lunch and 2027 meetings on Jan. 18, Mar. 15, May 17, July 19 and Sept. 20; last_activity stays September 21, 2026.
  • Updated NEbraskaCERT notes: the Oct. 21, 2026 lightning talks are past; Nov. 18, 2026 lunch panel and no December meeting remain; last_activity stays September 16, 2026.
  • Updated InfraGard Nebraska: Oct. 15, 2026 meeting is virtual, the November social is Nov. 18, 2026 (not Nov. 19) at Brazen Head in Omaha, Dec. 17 is still to be announced; last_activity stays September 17, 2026.
  • Updated DC402: last_activity is now October 13, 2026; still active, second Tuesday at 6:00 p.m.
  • Updated Nebraska Cyber Security Conference: still expected with no date; no 2026 edition or 2027 date announced.
  • Removed Nebraska Public Sector Cybersecurity & AI Summit 2026 (Oct. 22, 2026).
  • Reverified INTERFACE Omaha 2026 (Nov. 5, 2026, CHI Health Center Omaha).
  • Updated joint lunch (Nov. 18, 2026): added the ISC2 Omaha-Lincoln site and OWASP Eastern Nebraska meeting page as sources.
  • Reverified Kernelcon 2027 (March 4 to 5, 2027, Hilton Omaha) and its four deadlines.
  • Reverified Cyber Tatanka 2027 (June 7 to 18, 2027, Kiewit Hall, UNL).
  • Reverified FutureCon Omaha 2027 (August 12, 2027, Embassy Suites La Vista).
  • Added ISC2 Omaha-Lincoln Chapter January 2027 Meeting (January 18, 2027).
  • Added GPSEC Omaha 2027 (February 9, 2027, La Vista).
  • Added ISC2 Omaha-Lincoln Chapter March 2027 Meeting (March 15, 2027).
  • Added ISACA Omaha Spring Seminar 2027 (April 15, 2027, Bellevue and online).
Little Rock, AR: 15
  • Updated Central Arkansas Hackers: last_activity is now October 6, 2026 (local AI coding agents talk); still active.
  • Reverified ISACA Central Arkansas; last_activity stays June 9, 2026 (active).
  • Reverified InfraGard Arkansas; last_activity stays May 15, 2026 (active).
  • Reverified ISC2 Arkansas; stays dormant (last dated event October 17, 2024).
  • Removed DC501 (DEF CON Group Little Rock); the directory row now points to DC901 in Memphis.
  • Reverified the UA Little Rock Cybersecurity Club; stays dormant (last dated meeting February 25, 2025).
  • Removed the Central Arkansas Hackers meeting of October 6, 2026.
  • Removed the Arkansas Attorney General Fraud and Consumer Protection Summit (September 28 and 29, 2026).
  • Removed the Arkansas Digital Government Summit 2026 (October 13, 2026); rolled forward to ar-digital-gov-summit-2027.
  • Removed the Forge Summit 2026 (October 13 and 14, 2026); rolled forward to forge-summit-2027.
  • Removed BSides Memphis 2026 (October 3, 2026).
  • Reverified JOLT Cyber Challenge 2027 as announced with no dates; the 2026 edition was April 24 to 26, 2026.
  • Added Forge Summit 2027 as expected; held September 17 and 18, 2025 and October 13 and 14, 2026.
  • Added the Arkansas Digital Government Summit 2027 as expected; the 17th edition was October 13, 2026.
  • Added the Memphis AI + Cybersecurity Conference 2027 as expected (regional); held August 27, 2026.
Long Beach, CA: 54
  • DC562 stays dormant: last_activity 2024-01-14 (online CTF on CTFtime); no meeting found.
  • CSULB Cyber Security Club stays quiet; last_activity remains 2026-02-19 (posting date of the Spring 2026 GBM #1 recording).
  • Uncoded Hack Nights stays quiet; last Tuesday session on Meetup was 2025-12-23 and no 2026 session is listed.
  • CSUDH Cybersecurity Club moves from active to quiet (last_activity 2026-04-11 is 195 days old); Toro Tech Day is set for 2026-10-24.
  • ISSA Los Angeles: last_activity is now 2026-10-14 (Annual Cyber Security Summit); the following meeting is 2026-11-17 in Culver City.
  • ISACA Los Angeles Chapter still active on the strength of the 2026-09-08 career night; the 2027 Spring Conference now has dates.
  • ISC2 Los Angeles Chapter: events added for 2026-10-29 (online lunch and learn) and 2026-11-12 (annual meeting in Santa Monica); last_activity stays 2026-09-17.
  • OWASP Los Angeles still active; last_activity stays 2026-09-23. Meetings on 2026-10-28, 2026-11-18 and 2026-12-09 are listed ahead.
  • CSA SoCal stays quiet; last_activity remains 2026-03-09.
  • WiCyS Los Angeles Affiliate still active on the strength of the 2026-06-13 event at Microsoft Playa Vista.
  • Women's Society of Cyberjutsu SoCal: last_activity is now 2026-10-03 (DevSecOps workshop at Long Beach City College).
  • LA2600 still active with last_activity 2026-09-04; first-Friday meetings are listed through 2027-10-01.
  • OC2600 still active with last_activity 2026-09-04; first-Friday meetings are listed through 2027-10-01.
  • DC714: last_activity corrected from 2026-07-08 to 2026-06-10 (the latest talk the speakers page marks as recapped).
  • ISSA Orange County: the chapter lunch meeting on 2026-10-27 in Irvine is added as an event; last_activity stays 2026-09-24.
  • HTCIA Southern California: SoCalSec socials on 2026-11-16 and 2026-12-14 are added; last_activity stays 2026-09-21.
  • Added Cloud Security Alliance Orange County Chapter (monthly Wednesday meetings in Irvine; last meeting 2026-09-23).
  • Added OWASP Orange County (last meeting found 2026-06-24, joint with CSA OC).
  • Added ISACA Orange County Chapter (last event 2026-10-15 in Fountain Valley).
  • Removed NMFTA Cybersecurity Conference 2026 (held 2026-09-29 to 2026-10-01); rolled forward to the 2027 edition.
  • Removed the WSC SoCal DevSecOps workshop (held 2026-10-03).
  • CSULB Cybersecurity Awareness Month webinars narrowed to the remaining sessions on 2026-10-27 and 2026-10-29; the 2026-10-22 session is no longer listed.
  • Southern California Public Sector Cybersecurity Summit still on 2026-11-12 at the Hilton Long Beach.
  • Removed OWASP LA workshop of 2026-10-05.
  • Removed OWASP LA virtual meetup of 2026-10-13.
  • Removed ISSA-LA Annual Cyber Security Summit 2026 (held 2026-10-14); the 2027 edition is added.
  • Removed The Official Cybersecurity Summit: Los Angeles (2026-10-15).
  • OWASP LA November meetup still on 2026-11-18, venue to be announced.
  • OWASP LA December virtual meetup still on 2026-12-09.
  • ISC2 SECURE Los Angeles stays on 2026-12-10; the venue is no longer stated and the program is described as an afternoon.
  • Toro Tech Day now confirmed for 2026-10-24, 10:00 a.m. to 5:00 p.m. at CSU Dominguez Hills (was expected).
  • FutureCon Los Angeles still on 2027-03-31 at the Hilton Los Angeles Culver City.
  • ISACA LA Spring Conference 2027 now confirmed for 2027-05-24 to 2027-05-26 (was announced-tba with conflicting March and May dates).
  • Planet Cyber Sec AI Conference, Orange County now confirmed for 2027-03-03 (was announced-tba for February 2027).
  • ToroHack 11.0 still expected; no 2027 date is posted.
  • SANS Security West 2027 still on 2027-05-10 to 2027-05-15 in San Diego.
  • LayerOne 2027 still expected; no 2027 date is posted.
  • Added NMFTA Cybersecurity Conference 2027 as announced-tba (no date, city or price posted).
  • Added CNDPS Port of Long Beach Security, Sustainability, and Resilience Summit (2026-11-13), adjacent and by reviewed registration.
  • Added ChannelPro DEFEND: Anaheim (2026-11-09 to 2026-11-10).
  • Added ISC2 LA online Lunch & Learn (2026-10-29).
  • Added ISC2 LA Annual General Meeting (2026-11-12, Santa Monica).
  • Added OWASP LA October in-person meetup (2026-10-28, Santa Monica).
  • Added ISSA OC chapter lunch meeting (2026-10-27, Irvine).
  • Added CSA OC meeting with Arcon (2026-10-28, Irvine).
  • Added San Diego CyberCon 2026 (2026-11-13) as a regional event; WSC SoCal is a community partner.
  • Added ISSA-LA meeting of 2026-11-17 in Culver City.
  • Added SoCalSec social of 2026-11-16 (Placentia).
  • Added SoCalSec social of 2026-12-14 (Anaheim).
  • Added GPSEC SoCal 2027 (2027-03-25, Irvine), by organizer-reviewed registration.
  • Added Planet Cyber Sec AI - AppSec, Los Angeles (2027-06-09).
  • Added FutureCon Orange County 2027 (2027-07-28, Garden Grove).
  • Added EnergySec Security AND Compliance Summit 2027 (2027-08-16 to 2027-08-18, Anaheim).
  • Added ISSA-LA Annual Cyber Security Summit 2027 (2027-09-22, Santa Monica).
Los Angeles, CA: 62
  • ISSA Los Angeles: last_activity moved from 2026-08-19 to 2026-10-14 (Annual Cyber Security Summit); notes now carry the 2026-11-17 meeting and ticket range.
  • ISACA Los Angeles Chapter: last_activity moved from 2026-04-01 to 2026-09-08 (Annual Career Night at Cal State LA).
  • ISC2 Los Angeles Chapter: last_activity moved from 2026-09-17 to 2026-10-15 (virtual meeting); two more events added.
  • OWASP Los Angeles: last_activity moved from 2026-09-23 to 2026-10-13.
  • CSA SoCal stays quiet; last own event 2026-02-17.
  • IAPP KnowledgeNet Los Angeles stays active; last_activity stays 2026-09-25.
  • HTCIA Southern California: last_activity moved from 2026-09-21 to 2026-10-19 (SoCalSec in Fullerton); two socials added.
  • Women's Society of Cyberjutsu SoCal: last_activity moved from 2026-09-19 to 2026-10-03 (Long Beach workshop).
  • WiCyS Los Angeles Affiliate stays active; last_activity stays 2026-06-13.
  • InfraGard Los Angeles stays active; last_activity stays 2026-08-18.
  • LA2600: last_activity moved from 2026-09-04 to 2026-10-02.
  • DC310 / DCG Hollywood stays quiet; last_activity stays 2025-11-21 (directory listing date).
  • DC818 stays quiet; last_activity stays 2025-09-03.
  • DC213 stays dormant; last post 2008-08-19.
  • DC562 stays dormant (last meeting 2019-01-26); notes now mention 2024 CTF entries on CTFtime.
  • Null Space Labs: last_activity moved from 2026-09-22 to 2026-10-20; notes add the Wednesday malware meetup and Friday NSL Hacks sessions.
  • NSL Lockpicking: last_activity moved from 2026-09-18 to 2026-10-16; 2026-11-20 competition night added as an event.
  • EvolveSec stays quiet; last_activity stays 2026-03-27.
  • LETHAL stays dormant; last general meetup 2020-03-22.
  • ACM Cyber at UCLA: last_activity moved from 2026-06-03 to 2026-10-21; 2026-10-28 careers session added.
  • USC CTF Team stays dormant; last_activity stays 2024-11-03.
  • Layer 8 (CSUN) stays quiet; last_activity stays 2025-09-29.
  • CSUDH Cyber Security Club: status moved from active to quiet (last_activity 2026-04-11 is 195 days old).
  • SWIFT (Cal Poly Pomona) stays quiet; last_activity stays 2026-03-14.
  • Removed Planet Cyber Sec and AITP social mixer (2026-09-29).
  • Removed ISC2 LA lunch and learn (2026-09-29).
  • Removed Null Space Labs workshop (2026-10-02).
  • Removed WSC SoCal DevSecOps workshop (2026-10-03).
  • Removed OWASP LA workshop (2026-10-05).
  • Removed ACM Cyber fall general meeting (2026-10-05).
  • Removed OWASP LA virtual meetup (2026-10-13).
  • Removed The Official Cybersecurity Summit: Los Angeles (2026-10-15).
  • ISSA-LA Summit 2026 (2026-10-14) merged into issa-la-summit-2027.
  • California Technology Summit 2026 (2026-10-07) merged into california-technology-summit-2027.
  • OWASP LA in-person meetup on 2026-10-28 stays confirmed at 929 Colorado Ave, Santa Monica.
  • Southern California Public Sector Cybersecurity Summit (2026-11-12): notes now state public sector only, free registration.
  • OWASP LA November meetup (2026-11-18) stays confirmed; venue still not shown without registering.
  • OWASP LA December virtual meetup (2026-12-09) stays confirmed.
  • FutureCon Los Angeles (2027-03-31) stays confirmed; notes say no price is shown on the event or registration pages.
  • SCaLE 24x stays confirmed for 2027-04-01 to 2027-04-04; CFP closes 2026-11-01.
  • SANS Security West stays confirmed for 2027-05-10 to 2027-05-15 in San Diego.
  • America's Credit Unions Cybersecurity Conference (2027-05-12 to 2027-05-14) stays confirmed; the hotel deadline entry was dropped and early-bird end 2027-02-12 kept.
  • ISACA LA 2027 Spring Conference moved from announced-tba to confirmed: 2027-05-24 to 2027-05-26, Hilton Universal City.
  • Planet Cyber Sec AI Conference Orange County moved from announced-tba to confirmed: 2027-03-03.
  • Planet Cyber Sec AI AppSec Los Angeles moved from announced-tba to confirmed: 2027-06-09.
  • LA CTF 2027 stays expected (early February).
  • SWIFT Tech Symposium stays expected (usually March).
  • ToroHack stays expected (usually April).
  • LayerOne 2027 stays expected (late May).
  • Added OWASP San Fernando Valley (restarted 2026-09-22; next meeting 2026-11-24).
  • Added Los Angeles Cyber Security Meetup as dormant (last held event 2024-10-30).
  • Added ACM Cyber Cyber Lab: Careers in Cybersecurity (2026-10-28).
  • Added ISC2 LA Lunch & Learn (2026-10-29, online).
  • Added ISC2 LA Annual General Meeting (2026-11-12, Santa Monica).
  • Added SoCalSec November (2026-11-16, Placentia).
  • Added ISSA-LA meeting (2026-11-17, Culver City).
  • Added NSL Lockpicking Competition Night (2026-11-20).
  • Added OWASP SFV November meeting (2026-11-24, venue to be announced).
  • Added ISC2 SECURE Los Angeles (2026-12-10, USC Hotel).
  • Added SoCalSec December (2026-12-14, Anaheim).
  • Added ISSA Los Angeles Annual Cyber Security Summit 2027 (2027-09-22).
  • Added California Technology Summit 2027 (October 2027, day not posted).
Louisville, KY: 26
  • ISSA Kentuckiana Chapter stays active; last_activity stays 2026-09-11 (Louisville Metro InfoSec Conference).
  • ISACA Kentuckiana Chapter stays active; last_activity stays 2026-08-21.
  • DC502 Louisville: last_activity moves from 2026-09-17 to 2026-10-15; start time is now 6:00 p.m. and the 2026-10-15 social was at 1020 Brewery, 1020 East Washington St.
  • Speed ACM: last_activity moves from 2026-09-16 to 2026-10-22; schedule text now gives Thursday 5:30 p.m. in BAB 238 and Tuesday 5:30 p.m. in Duthie 119.
  • LVL1 Hackerspace: last_activity moves from 2026-09-24 to 2026-10-22; Thursday Open Code time conflict noted.
  • InfraGard Kentucky Members Alliance stays active under the owner confirmation of 2026-10-01; last_activity stays 2024-04-30.
  • Removed the DC502 social of 2026-10-01.
  • Added DC502 Louisville Computer Social Club on 2026-10-29, 6:00 p.m. to 8:00 p.m.
  • Removed the ISSA Kentuckiana meeting of 2026-10-09.
  • ISSA Kentuckiana meeting on 2026-11-13 now lists its topic as a chapter update.
  • HackRedCon 2026 (2026-12-04) is now marked vendor_hosted and the venue name matches the organizer (Student Activity Center).
  • Louisville Metro InfoSec Conference 2027 stays expected; the 2025 date was dropped from the expected text.
  • Kentuckiana ISACA Secure Digital Conference 2027 stays expected; notes now say the page shows only the 2026-03-26 to 2026-03-27 dates and no price.
  • TALK Cyber Security Summit 2027 stays expected; 2026 edition (2026-06-12) cost $50 with lunch.
  • Removed BSides Bloomington 2026 (2026-10-02 to 2026-10-03).
  • Added BSides Bloomington 2027 (date not announced).
  • Removed the OCRI Symposium of 2026-10-07 at the University of Cincinnati.
  • Removed UK_CYBERCON 2026 (2026-10-14).
  • Added UK_CYBERCON 2027 as expected (date not announced).
  • Removed the NKU Cybersecurity Symposium of 2026-10-16.
  • Added NKU Cybersecurity Symposium 2027 as expected (date not announced).
  • SKYCTC CyberSafe Summit stays confirmed for 2026-10-27, free, in person or online.
  • Cyber Bluegrass stays confirmed for 2026-10-27 to 2026-10-29; notes flag that no price is stated.
  • Kentucky Cybersecurity and Forensics Conference stays confirmed for 2026-10-30; notes flag that no price is stated.
  • Queen City Conference stays confirmed for 2026-11-13 to 2026-11-15; venue now gives 151 West Fifth Street.
  • KY Blue Team Summit 2027 stays expected; the 2026 summit was held 2026-05-21.
Lubbock, TX: 6
  • Lubbock 2600 stays active; first Friday, 17:00 to 20:00, at Mad Hatter's House of Games; last_activity stays 2026-07-10.
  • DC806 stays dormant; last dated talk is September 2023 (month only, recorded as 2023-09-01).
  • Cyber Raiders (Texas Tech) stays quiet; last_activity stays 2025-11-13.
  • Double T Locksport (Texas Tech) stays quiet; last_activity stays 2025-12-01.
  • KEYS Conference 2027 stays confirmed for 2027-04-06 to 2027-04-08 at the Overton Hotel, Lubbock; hotel booking deadline 2027-03-20.
  • Added West Texas Regional Tech Day (City of Lubbock), last held 2026-10-22 as a cybersecurity-themed day at Lubbock Memorial Civic Center.
Madison, WI: 25
  • Updated DC608: last activity is now the October 1, 2026 monthly meeting; Meetup lists the November 5, 2026 meeting and Monday coding nights through April 19, 2027.
  • Madsec unchanged: last meeting April 23, 2026, no meeting announced.
  • Added the chapter's December 9, 2026 annual meeting save-the-date to the notes and schedule text.
  • ISC2 Wisconsin Chapter unchanged: the placeholder site still lists only the July 28 virtual meeting, with no year.
  • IAPP KnowledgeNet Southern Wisconsin now lists an in-person meeting on November 5, 2026; schedule text and notes revised.
  • WiCyS Wisconsin Affiliate unchanged: last activity June 2, 2026 at the Milwaukee summit.
  • InfraGard Wisconsin moved from quiet to active: it held a member meeting at Madison College Truax Campus on October 1, 2026.
  • Cybersecurity UW still quiet: public meeting log ends December 3, 2025.
  • OWASP Madison remains dormant: no dated meeting found.
  • WICTRA remains dormant: last listed event September 12 and 13, 2022.
  • Removed the October 1, 2026 DC608 meetup (date has passed).
  • Removed Midwest Security Workshop 11 (October 10, 2026, UW-Madison; date has passed).
  • Wisconsin Digital Government Summit still set for December 3, 2026 at Monona Terrace.
  • WISCON 2027 still set for June 17, 2027 at the Overture Center; notes now say the site states no ticket price.
  • DEEP608 2027 dates still not announced; the organizer site shows only the April 8, 2026 edition.
  • CypherCon 10 still set for March 24 and 25, 2027 at the Baird Center, Milwaukee.
  • BSidesMKE 2027 still shows March 26, 2027; the site's ticket banner still also reads Sept 2027.
  • Midwest OT Cybersecurity Summit 2027 moved from April 16, 2027 to April 30, 2027 (Marquette Alumni Memorial Union, 10:00 a.m. to 5:30 p.m.); call for speakers closes March 5, 2027.
  • GRASSr00tz 2027 stays announced-tba; the site header now reads June 2027 with no day, venue or price.
  • Wisconsin Governor's Cybersecurity Summit 2027 is now confirmed for March 30 and 31, 2027 at Chula Vista Resort, Wisconsin Dells (free, public sector only).
  • Official Cybersecurity Summit: Milwaukee now confirmed for June 2, 2027 (8:00 a.m. to 6:00 p.m.), standard admission $275, venue to be announced.
  • ISACA Milwaukee Spring Symposium 2027 still has no announced date.
  • Added DC608 Monthly Meetup: Adventures in Hacking Books, Legs, and Dogs (November 5, 2026).
  • Added IAPP KnowledgeNet Southern Wisconsin: From Privacy to AI Governance (November 5, 2026).
  • Added FutureCon Milwaukee Cybersecurity Conference (May 20, 2027) as a regional conference.
McKinney, TX: 53
  • Status moved to active; last activity now the career fair listed for 2026-10-01; Eventbrite spring fair source dropped.
  • Last activity 2026-10-07; next meeting 2026-11-04; McKinney book club history noted.
  • Recurrence rechecked; no meeting posted after 2026-09-09.
  • Last activity 2026-10-02; schedule text notes the 5:00 p.m. versus 7:00 p.m. discrepancy; meetings through 2026-12-18 listed.
  • Last activity 2026-10-15 (year not shown on Meetup).
  • Sources updated; an October 10/19 meetup without a year was recorded but not counted; last activity stays 2026-05-27.
  • Last activity 2026-10-20; hands-on night 2026-10-28 and holiday party 2026-12-03 noted.
  • Last activity 2026-10-17 (SheLeadsTech chat, Plano); schedule text and sources updated.
  • Notes updated for the 2026-10-30 online session.
  • Still quiet; last meeting 2025-12-04.
  • Notes updated: the 2026-11-12 session is tentative and open to the public.
  • Still active; last event 2026-09-19 listed without a recap.
  • Schedule text now shows the 2026-10-27 meeting; the 2026-09-29 meeting was held.
  • Unchanged; last Meetup event 2025-09-19; owner confirmation kept.
  • Unchanged; owner confirmation kept.
  • Schedule text now shows the 2026-11-03 meeting; members-only note added.
  • Renamed to CPN North Texas GovSec Meetup (formerly North Texas CMMC Meetup).
  • Still quiet; nothing since 2025-10-15.
  • Last activity 2026-10-21; BSides DFW workshop on 2026-11-07 noted.
  • Status active; last activity 2026-10-11 from CTFtime results.
  • Location now UT Arlington; sources updated.
  • Status active; last activity 2026-10-08 on the schedule.
  • Schedule text now points to the 2027 edition; venue calendar added as source.
  • Still quiet; last activity 2025-12-06 from an aggregator listing.
  • Added ASIS North Texas Chapter 10 (adjacent; last luncheon 2026-08-13).
  • Removed Secure Dallas 2026 (2026-10-01).
  • Removed Collin College IT/Cyber Career Fair (2026-10-01).
  • Removed Tyler Area Chamber conference (2026-10-07).
  • Removed SecureWorld Dallas 2026 (2026-10-08).
  • Removed deepfakes lunch and learn (2026-10-09).
  • Removed CSC13 (2026-10-20).
  • Removed 2026 UDallas Cyber Summit (2026-10-22).
  • GPSEC Dallas reverified for 2026-10-29.
  • Time added (8:00 a.m. to 6:00 p.m.) for 2026-10-29.
  • Venue now Nedderman Hall, UT Arlington; 8:00 a.m. to 6:00 p.m. on 2026-11-07.
  • Still announced-tba; now open to the public at $0.00.
  • Early-bird deadline removed (passed); hotel rate deadline 2026-11-16 added.
  • Reverified for 2027-01-20; notes reworded.
  • Still expected; no 2027 date.
  • Added Women of Security October Meetup (2026-10-27).
  • Added North Texas ISSA Hands-On AI Night (2026-10-28).
  • Added ISC2 DFW online webinar (2026-10-30).
  • Added IAPP KnowledgeNet Dallas meeting (2026-11-03).
  • Added Brivo Global Cloud Security Summit (2026-10-26 to 2026-10-29, Arlington).
  • Added DataSecAI 2026 (2026-11-09 to 2026-11-11, Dallas).
  • Added North Texas ISSA Holiday Party (2026-12-03).
  • Added CYBR.HAK.CON 2027 (2027-02-25, Irving).
  • Added MiC Annual Conference 2027 (2027-03-21 to 2027-03-25, Dallas).
  • Added ElevateIT Dallas Technology Summit 2027 (2027-06-10, Irving).
  • Added SecureWorld Dallas 2027 (expected, no date).
  • Added Secure Dallas 2027 (expected, no date).
  • Added North Texas ISSA CSC14 (expected, no date).
  • Added UDallas Cyber Summit 2027 (expected, no date).
Portland, OR: 30
  • Updated RainSec: last_activity is now 2026-09-29; next meetings are October 27, November 24, December 29, 2026 and January 26, 2027.
  • Updated Exploit Workshop: last_activity is now 2026-10-21.
  • Updated Locksport Meetup: last_activity is now 2026-10-17.
  • Marked PDX 2600 dormant; the newest dated meeting is April 4, 2025.
  • Reverified BSidesPDX; notes unchanged apart from the new BSidesPDX 2027 entry.
  • Reverified OWASP Portland; still quiet with the December 30, 2025 planning meeting as the newest event.
  • Changed ISSA Portland from dormant to active with last_activity 2026-09-10.
  • Reverified ISACA Portland; last_activity stays 2026-05-14.
  • Updated ISC2 Oregon: the October 15, 2026 meeting is no longer listed; the December 17, 2026 annual meeting is added as an event.
  • Reverified InfraGard Oregon; the March 17, 2026 meeting is still the newest and none is scheduled.
  • Reverified WiCyS Oregon Affiliate; still quiet, newest event September 25, 2025.
  • Updated OCCoE notes: it hosted a table at the September 22, 2026 Salem summit; last_activity stays 2026-09-22.
  • Marked the Portland AI & Cybersecurity User Group dormant; its newest event is April 16, 2025.
  • Updated Portland AWS User Group: next talk is October 27, 2026; last_activity stays 2026-09-23.
  • Reverified Oregon Tech Cybersecurity Club Portland; last_activity stays 2026-06-04.
  • Updated SIM PDX Cybersecurity Leadership Forum notes: SIM event pages could not be read.
  • Updated CyberRisk Collaborative Portland notes: sources could not be re-read.
  • Added DC503, Portland's DEF CON group, as invite-only with last_activity 2026-08-07.
  • Added TitanTurtles Cybersecurity Club, a Portland youth CyberPatriot team (last activity March 24, 2026).
  • Updated BSidesPDX 2026 with full hours, ticket tiers and the schedule page; removed the closed CFP and free-registration deadlines.
  • Removed PNSQC 2026 (October 12 to 14, 2026), now past; PNSQC 2027 added as expected.
  • Removed Oregon Cyber Resilience Summit 2026 (October 7, 2026), now past; the 2027 edition is added.
  • Reverified Hackboat 2027 as expected for June 2027.
  • Reverified The Official Cybersecurity Summit: Portland as expected; Portland is not on the organizer's schedule of 2026 and 2027 summits.
  • Added ISC2 Oregon annual meeting and elections on December 17, 2026, 4:00 p.m. to 5:00 p.m., location to be announced.
  • Added University of Oregon High School Cybersecurity Pathways Conference on November 2, 2026 (regional, students only).
  • Added Oregon Cyber Resilience Summit 2027 on October 6, 2027, 8:30 a.m. to 5:45 p.m. in Eugene.
  • Added BSidesPDX 2027 as expected, dates not announced.
  • Added PNSQC 2027 as expected, dates not announced.
  • Added the Oregon Public Sector Cybersecurity Summit 2027 in Salem as expected, dates not announced.
Seattle, WA: 40
  • Seattle 2600 last_activity moved to 2026-10-02; the November 6, 2026 meeting is listed.
  • Seattle Hackers Anonymous last_activity moved to 2026-09-29.
  • Symbol Crash last_activity moved to 2026-10-15.
  • Black Lodge Research last_activity moved to 2026-10-22.
  • Seattle Lockpicking and Locksport last_activity moved to 2026-10-20; the Eastside meeting is at Bellevue Brewing Company.
  • SeaSec East last_activity moved to 2026-10-07; the Meetup group is private.
  • DCG Tacoma (DC253) last_activity moved to 2026-10-13.
  • DC206 remains dormant; last_activity stays 2020-02-07.
  • OWASP Seattle last_activity moved to 2026-10-14; a monthly second-Wednesday recurrence was added.
  • ISSA Puget Sound last_activity moved to 2026-10-15.
  • ISSA Rainier events page now lists April 30, June 25, August 27 and October 29, 2026, 6:00 p.m. to 10:00 p.m.
  • ISACA Puget Sound last_activity moved to 2026-10-06; an online November 10, 2026 session was found.
  • ISC2 Seattle last_activity moved to 2026-10-01; December 3, 2026 and February 4, 2027 meetings found.
  • CSA Seattle remains quiet; last_activity stays 2026-02-25.
  • WiCyS Western Washington last_activity moved to 2026-10-14.
  • Washington State InfraGard remains active; last_activity stays 2026-09-11.
  • Seattle Data, AI & Security last_activity moved to 2026-10-03 (online AI Defense Lab finale).
  • BSides Seattle remains quiet (last edition February 28, 2026); the 2027 edition is announced for March 5 to 6, 2027.
  • SecureWorld Seattle remains quiet; last edition ended 2025-11-06 and the November 4 to 5, 2026 edition is posted.
  • Batman's Kitchen last_activity moved to 2026-05-28 and status to active; meeting days changed to Tuesdays and Fridays.
  • GrayHats remains quiet (last_activity 2026-02-28); CCDC training Fridays 2:00 p.m. to 4:00 p.m. added to the schedule.
  • CSNP Seattle remains dormant; last event 2025-03-06.
  • Joint ISACA Mt. Rainier and ISSA Rainier meeting on 2026-10-29 now cites the ISACA event page and ISSA Rainier events page; time 6:00 p.m. to 10:00 p.m.
  • Removed The Official Cybersecurity Summit: Seattle/Bellevue (October 1, 2026).
  • Removed the ISC2 Seattle meeting of 2026-10-01.
  • Removed IAPP Privacy. Security. Risk. + AI Governance Global 2026 (October 6 to 9, 2026).
  • Removed the ISACA Puget Sound meeting of 2026-10-06.
  • Removed the ISSA Puget Sound meeting of 2026-10-15.
  • SecureWorld Seattle 2026 (November 4 to 5, 2026) now records agenda-page hours; the expired hotel deadline was removed.
  • Seattle Data, AI & Security event on 2026-11-12 still scheduled, 4:30 p.m. to 8:00 p.m.
  • INTERFACE Seattle 2026 (December 3, 2026) venue now names Ballroom 6BC; access terms cite the registration page.
  • SANS Seattle 2027 (March 15 to 20, 2027) unchanged, including the three deadlines.
  • BSides Seattle 2027 changed from expected to confirmed: March 5 to 6, 2027 at Microsoft Building 92, Redmond.
  • Added OWASP Seattle online talk on the API Security Testing Framework (2026-10-29).
  • Added Washington Digital Government Summit 2026 (2026-11-12, Tacoma).
  • Added ISC2 Seattle meeting on 2026-12-03.
  • Added ISSA Puget Sound Christmas party (2026-12-04, Redmond).
  • Added The Official Cybersecurity Summit: Seattle/Bellevue (2027-03-18, Hyatt Regency Bellevue).
  • Added ISC2 Seattle meeting on 2027-02-04.
  • Added FutureCon Seattle 2027 (2027-05-13, hybrid).

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