> stockton, ca · verified oct 8, 2026
California
Stockton has no professional security chapter of its own. The security community nearby is DC209, a DEF CON group that meets in Turlock, with a general-computing club at Modesto Junior College and the Google Developer Group chapters in Stockton and Modesto. The ISACA, ISSA, ISC2 and InfraGard chapters meet in Sacramento, about 50 miles north, and the largest conferences are in the Bay Area.
Wed, Oct 14, 2026 · 8:30 a.m. to 3:30 p.m.
Sacramento metro area (location given on registration) · Regional
Run by the InfraGard Sacramento Members Alliance for InfraGard members and their colleagues; non-members are asked to contact the chapter. Free.
ConfirmedSummitVetting required
Thu, Oct 15, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Oct 22, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Sat, Oct 24, 2026 · 8:30 a.m. to 3:00 p.m.
720 12th St, Modesto · Metro area
Adjacent: a community developer conference hosted by GDG Modesto and co-hosted by GDG Stockton, Turlock and Merced, with hands-on labs and AI coding challenges; no security track has been announced. Free registration on the GDG page.
ConfirmedConferenceFree
Thu, Oct 29, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Mon, Nov 2 to Fri, Nov 6, 2026 · Training November 2 to 4; conference November 5 to 6
Hyatt Regency San Francisco, San Francisco · Regional
The OWASP Foundation's largest US conference.
ConfirmedConferencePaid
Mon, Nov 2 to Sat, Nov 7, 2026
Hilton San Francisco Financial District, 750 Kearny St, San Francisco · Regional
Refund deadline: Fri, Oct 16, 2026
Paid multi-day SANS courses, in person and online.
ConfirmedTrainingPaidVendor-hosted
Thu, Nov 5, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Nov 12, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Fri, Nov 13, 2026 · 8:00 a.m. to 5:00 p.m.
Las Positas College, Building 2400, Livermore · Regional
Run by the ISC2 East Bay Chapter, a nonprofit; sponsors fund it. Tickets run from $100 to $170 on the organizer page, with student pricing; up to 13 CPEs.
ConfirmedConferencePaid
Thu, Nov 19, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Nov 26, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Dec 3, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Dec 10, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Dec 17, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Dec 24, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Dec 31, 2026 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Jan 7, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Jan 14, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Jan 21, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Jan 28, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Feb 4, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Feb 11, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Feb 18, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Feb 25, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Mar 4, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Mar 11, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Mar 18, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Mar 25, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Apr 1, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Mon, Apr 5 to Thu, Apr 8, 2027
Moscone Center, 747 Howard St, San Francisco · Regional
Run by RSA Conference LLC. The dates come from the organizer's press release and the Moscone Center calendar; rsaconference.com refused automated access.
ConfirmedConferencePaidVendor-hosted
Thu, Apr 8, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Apr 15, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Apr 22, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Thu, Apr 29, 2027 · 5:00 p.m.
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Per published schedule; confirm with organizer.
MeetingStudents only
Wed, Sep 22, 2027
Fresno area (venue not yet announced) · Regional
Run by the Central San Joaquin Valley Cybersecurity Consortium, a nonprofit project serving Fresno-area schools and businesses, about two hours south. No fee is stated; registration is required.
ConfirmedSummitFree
Announced without a date, or expected from past editions. Not confirmed.
Announced by the organizer; date not yet published.
Livermore (2026 conferences at Las Positas College) · Regional
Date TBAConferencePaid
Usually held over a weekend in March (the 2026 edition ran March 21 and 22); 2027 dates not yet announced
San Francisco · Regional
ExpectedConferencePaid
Usually held in mid-September (the 2026 conference ran September 17 and 18); 2027 dates not yet announced
Sacramento (2026 edition at Wyndham Sacramento) · Regional
ExpectedConferencePaid
Pizza Factory, 1865 Countryside Dr, Turlock · Metro area
Most months on the third Wednesday, 6:00 p.m., at Pizza Factory in Turlock; confirm each meeting on the group's Discord
DEF CON group for the 209 area code (Modesto, Turlock, Stockton), about 45 miles south of Stockton. Its site says it meets most months on the third Wednesday at Pizza Factory in Turlock. The last dated meeting found is May 21, 2025; it announced meetings through August 20, 2025 on X and now posts updates on Discord, which could not be read.
Quiet: last activity May 2025Free
MJC East Campus, Center for Advanced Technologies, Room 229, Modesto · Metro area
Thursdays, 5:00 to 6:00 p.m., September 10, 2026 to April 15, 2027
General computing club for MJC students in Modesto, about 30 miles south of Stockton; the college lists cybersecurity among its topics alongside programming, information systems and data science.
Students only
Stockton (venues vary; some meetings online) · In the city
Irregular; a virtual reading club and occasional workshops, posted on the chapter page
Adjacent: a general developer community, not a security group. Its last dated event was the July 30, 2026 virtual reading club (free registration). It co-hosts DevFest Central Valley with GDG Modesto.
Free
Numbered references for the listings on this page.