> denver, co · verified oct 22, 2026
Colorado
Denver has monthly ISSA, ISACA, OWASP and Cloud Security Alliance chapter meetings, the DenverSec social on third Wednesdays, a first-Friday 2600 meeting, and DC303 talks at the denhac hackerspace. Conferences in the city include BSides Denver each September, Denver ISSA's RMISC at the Colorado Convention Center (May 11 to 13, 2027) and USENIX Security (August 11 to 13, 2027); ISC2 Security Congress and the WiCyS 2027 conference are at the Gaylord Rockies in neighboring Aurora.
Wed, Nov 4 to Fri, Nov 6, 2026
Gaylord Rockies Resort & Convention Center, Aurora · Metro area
Three days of leadership and technical tracks for women in cybersecurity, risk and technology. The Executive Women's Forum is a division of DSG Global, a company. The organizer describes the venue as Denver; the Gaylord Rockies is in Aurora.
ConfirmedConferencePaidVendor-hosted
Fri, Nov 6, 2026 · 6:00 p.m.
Denver Pavilions, 16th Street and Glenarm, Denver (outdoors)
Per published schedule; confirm with organizer.
MeetingFree
Tue, Nov 10, 2026 · 8:00 p.m.
denhac, 700 Kalamath Street, Denver
Per published schedule; confirm with organizer.
MeetingFree
Tue, Nov 10, 2026 · 5:00 p.m. to 8:00 p.m.
Front Range Community College, 3645 West 112th Ave, Westminster · Metro area
The college asks security professionals to volunteer for a student career panel, promoted by the ISC2 Boulder Chapter. The room is not yet assigned and the page states no admission price.
ConfirmedWorkshopFree
Wed, Nov 11, 2026 · Lunch session 11:30 a.m. to 1:00 p.m.; dinner session 5:30 p.m. to 7:00 p.m.
Lunch at Trace3, 4601 DTC Blvd, Suite 400, Denver; dinner at Gensler, 1225 17th St, Suite 150, Denver
Topic: "Cybersecurity Beyond Frameworks: Turning Strategy into Real Protection". The chapter lists members as free and non-members at $25.
ConfirmedChapter meetingPaid
eventbrite.com/e/denver-issa-november-2026-chap… [S8] [S9] [S10]
Fri, Nov 13, 2026 · 7:00 p.m. to 9:00 p.m.
denhac, 700 Kalamath Street, Denver
John Hoopes presents direct memory access attacks with demos against Linux and Windows. RSVP on Meetup is optional; the page states no admission price.
ConfirmedMeetupFree
Wed, Nov 18, 2026 · 7:00 p.m.
Improper City, Denver (RiNo); location can vary
Per published schedule; confirm with organizer.
MeetingFree
Thu, Nov 19, 2026 · 12:00 p.m. to 2:00 p.m.
Not posted on the chapter's event page · Metro area
Topic, venue and format are not posted. The chapter's events list marks the event "on hold" while its own page still shows the date and a register button. The page states no fee; the chapter's September meeting was free to members.
ConfirmedChapter meetingPaid
Fri, Dec 4, 2026 · 6:00 p.m.
Denver Pavilions, 16th Street and Glenarm, Denver (outdoors)
Per published schedule; confirm with organizer.
MeetingFree
Tue, Dec 8, 2026 · 8:00 p.m.
denhac, 700 Kalamath Street, Denver
Per published schedule; confirm with organizer.
MeetingFree
Tue, Dec 8, 2026 · 6:00 p.m. to 7:00 p.m.
City of Longmont Public Library, 355 Emery St, Longmont · Metro area
Chapter business under its bylaws: a review of the year and plans for the next one. The Meetup page states no admission price.
ConfirmedChapter meetingFree
Fri, Dec 11, 2026 · 7:00 p.m. to 9:00 p.m.
denhac, 700 Kalamath Street, Denver
Research on QR code phishing, with a live audience demonstration. The page states no admission price.
ConfirmedMeetupFree
Wed, Dec 16, 2026 · 7:00 p.m.
Improper City, Denver (RiNo); location can vary
Per published schedule; confirm with organizer.
MeetingFree
Fri, Jan 1, 2027 · 6:00 p.m.
Denver Pavilions, 16th Street and Glenarm, Denver (outdoors)
Per published schedule; confirm with organizer.
MeetingFree
Tue, Jan 12, 2027 · 8:00 p.m.
denhac, 700 Kalamath Street, Denver
Per published schedule; confirm with organizer.
MeetingFree
Wed, Jan 20, 2027 · 7:00 p.m.
Improper City, Denver (RiNo); location can vary
Per published schedule; confirm with organizer.
MeetingFree
Fri, Jan 22, 2027 · 7:00 p.m. to 10:00 p.m.
denhac, 700 Kalamath Street, Denver
Easy to medium difficulty; bring a laptop with FTP, SSH and nmap. The page states no admission price.
ConfirmedCTFFree
Fri, Feb 5, 2027 · 6:00 p.m.
Denver Pavilions, 16th Street and Glenarm, Denver (outdoors)
Per published schedule; confirm with organizer.
MeetingFree
Tue, Feb 9, 2027 · 8:00 p.m.
denhac, 700 Kalamath Street, Denver
Per published schedule; confirm with organizer.
MeetingFree
Wed, Feb 17, 2027 · 7:00 p.m.
Improper City, Denver (RiNo); location can vary
Per published schedule; confirm with organizer.
MeetingFree
Fri, Mar 5, 2027 · 6:00 p.m.
Denver Pavilions, 16th Street and Glenarm, Denver (outdoors)
Per published schedule; confirm with organizer.
MeetingFree
Tue, Mar 9, 2027 · 8:00 p.m.
denhac, 700 Kalamath Street, Denver
Per published schedule; confirm with organizer.
MeetingFree
Wed, Mar 17, 2027 · 7:00 p.m.
Improper City, Denver (RiNo); location can vary
Per published schedule; confirm with organizer.
MeetingFree
Wed, Mar 17 to Fri, Mar 19, 2027
Gaylord Rockies Resort & Convention Center, 6700 N Gaylord Rockies Blvd, Aurora · Metro area
Student poster submissions close: Wed, Nov 4, 2026
General registration opens: Wed, Dec 9, 2026
The annual Women in CyberSecurity conference, with a career fair and a CTF. General registration opens December 9, 2026 and stays open until capacity is reached. The organizer lists the venue as Denver; the Gaylord Rockies is in Aurora.
ConfirmedConferencePaid
Fri, Apr 2, 2027 · 6:00 p.m.
Denver Pavilions, 16th Street and Glenarm, Denver (outdoors)
Per published schedule; confirm with organizer.
MeetingFree
Tue, Apr 13, 2027 · 8:00 p.m.
denhac, 700 Kalamath Street, Denver
Per published schedule; confirm with organizer.
MeetingFree
Wed, Apr 21, 2027 · 7:00 p.m.
Improper City, Denver (RiNo); location can vary
Per published schedule; confirm with organizer.
MeetingFree
Fri, Apr 23, 2027 · Full day
Denver Athletic Club, Denver
Sponsor early-bird pricing ends: Fri, Jan 15, 2027
A peer-led one-day program for Colorado security leaders on AI in production, with nothing recorded. The organizer says it is free for security leaders; this is the leaders' program, so it is not open to every practitioner.
ConfirmedSummitFreeVetting required
Tue, May 11 to Thu, May 13, 2027
Colorado Convention Center, Denver
Call for speakers closes: Mon, Dec 21, 2026
Denver ISSA's three-day regional conference; 2026 was its 20th year. The organizer says registration opens in February 2027.
ConfirmedConferencePaid
Wed, Jun 16, 2027 · 8:00 a.m. to 6:00 p.m.
Denver (venue to be announced)
A one-day executive summit run by CyberRisk Alliance, a media and events company, and paid for by exhibiting vendors. The 2026 edition was held May 5 at the Hilton Denver City Center, with standard admission of $250; admission is limited to practitioners, and students and sales staff are not eligible.
ConfirmedSummitPaidVendor-hosted
Mon, Jul 26 to Sat, Jul 31, 2027
Grand Hyatt Denver, 1750 Welton Street, Denver (also online)
Early-bird discount payment deadline: Wed, Jan 6, 2027
Hotel group rate deadline: Fri, Jul 2, 2027
Refund deadline: Fri, Jul 9, 2027
Fourteen courses. Commercial training by the SANS Institute.
ConfirmedTrainingPaidVendor-hosted
Wed, Aug 11 to Fri, Aug 13, 2027
Hyatt Regency Denver at Colorado Convention Center, Denver
Cycle 2 mandatory paper registration: Tue, Jan 19, 2027
Cycle 2 paper submissions due: Tue, Jan 26, 2027
The 36th USENIX Security Symposium, an academic and practitioner security research conference. The page lists no attendee registration fees yet.
ConfirmedConferencePaid
Wed, Sep 1 to Thu, Sep 2, 2027
The Antlers Hotel, Colorado Springs · Regional
Run by the ISSA Colorado Springs chapter, about 70 miles south of Denver. The organizer's page states no 2027 admission terms.
ConfirmedConferencePaid
Announced without a date, or expected from past editions. Not confirmed.
Announced by the organizer; date not yet published.
Colorado Springs · Regional
Date TBAConferenceFree
Announced by the organizer; date not yet published.
Denver area (venue not posted) · Metro area
Date TBAMeetupFree
Usually held in June; 2027 date not yet announced
Boulder · Metro area
ExpectedConferencePaid
Held September 11 in 2026; 2027 date not yet announced
Denver
ExpectedConferencePaid
Held April 16 to 17 in 2026; 2027 dates not yet announced
Denver
ExpectedConferencePaid
1125 17th Street, Denver (recent meetups) · In the city
Monthly evening meetups, usually on a Tuesday at 6:00 p.m.; dates posted on Meetup
Meetups in 2026 were held January 20, February 17, March 24, April 28, June 16, July 21, September 15 and October 20 (6:00 p.m., 1125 17th Street, Denver). Each meetup is paid for by a different company. The chapter held a Fall Summit on October 29, 2025 at the Cable Center; no 2026 summit was posted. Its LIFT program organizes free networking events for women in cybersecurity.
Free
Lunch meetings at Trace3, 4601 DTC Blvd, Suite 400, Denver; dinner meetings at Gensler, 1225 17th St, Suite 150, Denver · In the city
Second Wednesday of the month: lunch session 11:30 a.m. at Trace3 (Denver Tech Center) and dinner session 5:30 p.m. at Gensler (downtown)
Chapter meetings are free for members and $25 for non-members, per the chapter's events page. The October 14, 2026 lunch session shows as ended on Eventbrite; the November 11, 2026 lunch and dinner sessions are posted. The chapter also runs special interest group meetings (Women in Security, AI/ML, Privacy) and the Rocky Mountain Information Security Conference (RMISC).
Paid
Denver; venue varies by meeting (September 2026 meeting at the Hyatt Regency Denver Tech Center) · In the city
Monthly chapter meetings, mostly at noon on a weekday in 2026, plus certification courses; dates posted on the chapter's Engage calendar
The chapter marked its 50th anniversary at the September 18, 2026 meeting (free to members). A chapter meeting was posted for Tuesday, October 13, 2026 at noon ("Hard Numbers for Hard Truths"); its page is still online but nothing confirms it took place, so it is not counted as the last activity. The November 19, 2026 meeting page shows no venue, and the chapter's events list marks it "on hold".
Paid
Boulder and Longmont area; meetings at Front Range Community College (Longmont), Longmont restaurants and library, and online · Metro area
Irregular: social evenings, a capture the flag, webinars and an annual meeting; dates are posted on Meetup
The chapter serves Boulder County and the Front Range, and says attendees do not need an ISC2 certification. 2026 activity included a social at Oskar Blues in Longmont (August 25), a webinar (September 22), a capture the flag at Front Range Community College in Longmont (October 13) and an online webinar on AI risk (October 20). The Meetup pages state no ticket prices. Boulder is about 30 miles northwest of downtown Denver.
Free
Denver metro; the July 2026 in-person meeting was at 2 Penguins Tap and Grill and Event Space, 13065 East Briarwood Avenue, Centennial · Metro area
Occasional in-person meetings and online sessions; dates are posted on Eventbrite
The most recent in-person meeting found was July 29, 2026 (5:30 p.m. to 7:30 p.m., a Palo Alto Networks zero trust session). The Eventbrite page states no ticket price. The chapter website isc2denver.org could not be reached on October 22, 2026 (the domain did not resolve), and the ISC2 chapter community feed lists no events, so no later meeting could be confirmed.
Free
Rule4, 3002 Bluff Street, Suite 100, Boulder · Metro area
Irregular evening meetups at 6:00 p.m.; dates posted on Meetup
The most recent meetup was a double-header on September 22, 2026; the one before it was October 21, 2025. A meetup is posted for October 27, 2026. The chapter also co-hosted OWASP Denver's January 2026 meetup.
Free
Dave & Buster's, 2000 S Colorado Blvd, Denver (recent meetups) · In the city
Evening meetups at 5:30 p.m. ("Mile High OWASP"), about monthly; dates posted on Meetup
Meetups in 2026 were held January 21 (with OWASP Boulder), March 18, August 27, September 17 and a CTF night on September 18. The chapter runs SnowFROC, its annual application security conference (April 16 to 17, 2026 at the Cable Center). No later meetup was posted on October 22, 2026.
Free
Statewide; 2026 summer picnic at Clement Park, Littleton · Metro area
Annual community summer picnic; a statewide events calendar, Slack workspace and podcast; separate peer community for security leaders
Community site running the Colorado = Security podcast and a shared calendar of Colorado security events. Its 2026 summer picnic, co-organized with local chapters, was held on August 22, 2026 at Clement Park Shelter A, Littleton. Leader dinners and a summit are limited to director-level and higher security leaders.
Free
denhac, 700 Kalamath Street, Denver · In the city
Friday evenings, about every one to two months, 7:00 p.m.; dates move to fit speakers
Talks and hands-on labs at the denhac hackerspace. Meetings in 2026: February 27, May 22, August 28, September 25 and October 16. RSVP on the denhac Meetup page is optional. DC303's site lists meetings for November 13 and December 11, 2026 and January 22, 2027.
Free
712 Main Street, Longmont · Metro area
Monthly Friday evening meeting, 6:00 p.m. to 9:00 p.m., early in the month; each meeting posted on the group's site
Social time, news and a talk or open discussion. Meetings in 2026 were posted for August 7 (DEF CON 34 livestream watch party), September 4 and October 2. The group's site still lists October 2 as its latest meeting and posts no November date. Longmont is about 35 miles north of downtown Denver.
Free
denhac, 700 Kalamath Street, Denver · In the city
Second Tuesday of the month, 8:00 p.m., per denhac's events page
A hands-on lock picking class at the Denver hackerspace, open to all skill levels, with shared tools and locks. Free and open to the public; attendees sign denhac's waiver first. The last session found on Meetup was September 8, 2026. denhac's events page lists LockSport as "Every 2nd Tuesday", but the Meetup calendar shows second-Tuesday evenings on October 13 and November 10, 2026 as "denhac Open House", so check with denhac before going. denhac also holds open houses every Tuesday, 8:00 p.m. to 10:00 p.m.
Free
Denver Pavilions, 16th Street and Glenarm, Denver (outdoors) · In the city
First Friday of the month, about 6:00 p.m.
Part of 2600 Magazine's monthly meeting network. The last activity date is the first Friday of September 2026, when 2600 Magazine's September meeting list still lists Denver; no post confirms that a specific meeting took place.
Free
Improper City, Denver (RiNo); location can vary · In the city
Usually the third Wednesday of the month, 7:00 p.m.
A CitySec social: no presentations, and sales pitches are discouraged. Meetups in 2026 included July 15, August 19, September 16 and October 21 at Improper City, confirmed by the group's Mastodon posts. The group also organizes occasional bike rides. It says dates and places can vary and posts each meetup on Mastodon; no November date was posted on October 22, 2026.
Free
North metro (October 2026 meetup at Prost Brewing Co., Northglenn; June 2026 at The Stillery, Westminster) · Metro area
Quarterly evening networking meetup; no later date posted
Casual networking for information security professionals in the north metro. The June 11, 2026 meetup was paid for by several security vendors. The fall event, Northside Cyber Oktoberfest, was held October 15, 2026 in the private loft at Prost Brewing Co., Northglenn, with food and drink provided.
FreeVendor-hosted
Denver metro; venue varies · Metro area
Irregular; no event posted
Cyversity was formerly ICMCP. The only dated 2026 activity found is the February 19, 2026 networking evening in Greenwood Village co-hosted with WiCyS Colorado.
Quiet: last activity Feb 2026Free
MSU Denver, Auraria Campus (Administration Building, 1201 5th St); some sessions online · In the city
Workshops, speaker panels, game nights, study sessions and CTFs during the semester; each is posted on RoadrunnerLink
Student chapter of WiCyS at Metropolitan State University of Denver, for women and allies. Events include an online chapter CTF (September 24 to 27, 2026) and a Fall Open House on October 1, 2026. The chapter also holds weekly online group study sessions on Microsoft Teams. Events are aimed at MSU Denver students; the study sessions are open to computer science and cybersecurity students across campus.
Students only
msudenver.edu/cybersecurity-center/wicys-women-… [S59] [S60] [S61]
Denver metro; venue varies · Metro area
Irregular networking events, panels and an annual CyberCon; announced on wicys.org and the affiliate's site
The most recent event found was Cyber Galentines Speed Networking on February 19, 2026 at Cyber Qubits in Greenwood Village, co-hosted with Cyversity Denver. The affiliate's third CyberCon was scheduled for November 11, 2025 at the University of Denver; no 2026 CyberCon has been announced.
Quiet: last activity Feb 2026Free
Denver; the chapter covers all of Colorado and Wyoming; venues not posted publicly · In the city
Quarterly training events, sector (SIG) meetings and special events for members; no dates posted on the public site
The local chapter of InfraGard, the FBI's partnership with the private sector for critical infrastructure protection; membership requires an application and FBI vetting. The public site lists quarterly training, sector meetings and special events but no dates, so the last activity date is the most recent dated evidence of chapter activity: the chapter's sector chief roster was updated on June 9, 2026. Events are announced to members.
Vetting required
Ritchie School of Engineering and Computer Science (ECS building), room 357, University of Denver · In the city
Thursdays at 6:00 p.m. during the fall 2026 quarter; the kickoff was Thursday, September 10, 2026
The University of Denver is an NSA Center of Academic Excellence in Cyber Defense. The club runs workshops, fields CTF and defense competition teams (CCDC, CyberForce, National Cyber League) and hosts speakers with ISSA and ISACA.
Students only
Wolf Law Building, University of Colorado, Boulder (2026 edition) · Metro area
Annual one-day community conference in June
The sixth edition was held June 13, 2026.
Paid
Void Studios, 1790 S Bannock St, Denver (2026 edition) · In the city
Annual one-day community conference; held September 11, 2026
Nonprofit, volunteer-run. General admission for 2026 was $30. The 2026 call for papers closed June 30.
Paid
The Curtis Hotel, 1405 Curtis Street, Denver (2026 edition) · In the city
Annual one-day conference each fall; 2026 is the 14th edition
Run by SecureWorld, a conference business. The 14th edition was held October 1, 2026 at The Curtis Hotel. The organizer's event page shows an "already passed" banner on every event, a known template quirk. No 2027 Denver date is posted.
PaidVendor-hosted
Downtown Denver hotels (Grand Hyatt Denver for 2027) · In the city
Annual week of in-person and online SANS courses; April in 2026, July in 2027
Commercial training run by the SANS Institute. The last activity date is a SANS@Night talk held during SANS Rocky Mountain 2026 on April 22, 2026.
PaidVendor-hosted
sans.org/cyber-security-training-events/rocky-m… [S26] [S72]
Varies by meeting; the October 2026 meetup was at The Cherry Cricket, 2641 E 2nd Ave, Denver · Metro area
Irregular after-work meetups, 4:00 p.m. to 6:00 p.m.; no later date posted
Adjacent: a community of identity and access management professionals, security-relevant but not security-only. Vendor-neutral; sales pitches are not allowed. Held March 18, May 21 and October 14, 2026 (29 attendees in October, per the Meetup page).
Free
| Directory | Result |
|---|---|
| 2600 Meetings | Local chapter: Denver 2600 |
| CISA Regional Offices | Nearest: CISA Region 8 |
| Cloud Security Alliance | Local chapter: Cloud Security Alliance Colorado Chapter |
| Cyversity (formerly ICMCP) Chapters | Local chapter: Cyversity Denver Chapter |
| DEF CON Groups | Local chapter: DC303 (Denver DEF CON Group) |
| HTCIA | No chapter found |
| IAPP KnowledgeNet | Nearest: IAPP KnowledgeNet Denver (no meetings scheduled) |
| InfraGard Members Alliances | Local chapter: InfraGard Denver Members Alliance (IDMA) |
| ISACA | Local chapter: ISACA Denver Chapter |
| ISC2 | Local chapter: ISC2 Denver Chapter |
| ISSA | Local chapter: Denver ISSA Chapter |
| NSA National Centers of Academic Excellence in Cybersecurity (NCAE-C) | Local chapter: DU Cybersecurity Club (University of Denver) |
| OWASP | Local chapter: OWASP Denver Chapter |
| SANS Institute | Local chapter: SANS Rocky Mountain (training event) |
| SecureWorld | Local chapter: SecureWorld Denver |
| Security BSides | Local chapter: BSides Denver |
| TOOOL (The Open Organisation Of Lockpickers) | No chapter found |
| WiCyS (Women in CyberSecurity) Professional Affiliates | Local chapter: WiCyS Colorado Affiliate |
| Women's Society of Cyberjutsu (WSC) Chapters | No chapter found |
Numbered references for the listings on this page.