OWASP Global AppSec USA 2026
Mon, Nov 2 to Fri, Nov 6, 2026 · Training November 2 to 4; conference November 5 to 6
Hyatt Regency San Francisco · Regional
The OWASP Foundation's main US conference.
ConfirmedConferencePaid
> san jose, ca · verified oct 8, 2026
California
San Jose has a monthly ISSA Silicon Valley chapter meeting, a downtown 2600 meeting on the first Friday, WiCyS Silicon Valley evenings, and a student cybersecurity club at San Jose State. Nearby, ISC2 Silicon Valley meets in Santa Clara, DC408 in Campbell and OWASP Bay Area in rotating Peninsula and East Bay cities. The Silicon Valley Cybersecurity Conference (June 2027) and Cyber Security Congress North America (June 2027) are held in San Jose, and San Francisco hosts the large conferences.
Mon, Nov 2 to Fri, Nov 6, 2026 · Training November 2 to 4; conference November 5 to 6
Hyatt Regency San Francisco · Regional
The OWASP Foundation's main US conference.
ConfirmedConferencePaid
Mon, Nov 2 to Sat, Nov 7, 2026
Hilton San Francisco Financial District, 750 Kearny St, San Francisco · Regional
Paid multi-day SANS courses, in person and online.
ConfirmedTrainingPaidVendor-hosted
Fri, Nov 6, 2026 · 6:00 p.m.
4 Embarcadero Center, ground level by the information kiosk, San Francisco · Metro area
Per published schedule; confirm with organizer.
MeetingFree
Fri, Nov 6, 2026 · 6:00 p.m.
Outside the Dr. Martin Luther King Jr. Library, downtown San Jose
Per published schedule; confirm with organizer.
MeetingFree
Fri, Nov 6 to Sat, Nov 7, 2026 · Welcome reception 6:00 p.m. on November 6; conference 8:00 a.m. to 5:00 p.m. on November 7
Hyatt Regency Embarcadero, San Francisco · Regional
A small threat modeling conference (under 120 seats) held right after OWASP Global AppSec USA. Run by the Threat Modeling Connect community, whose site belongs to the vendor IriusRisk. Early-bird pricing runs through mid-October, with no exact date given.
ConfirmedConferencePaidVendor-hosted
Fri, Nov 13, 2026 · 8:00 a.m. to 5:00 p.m.
Las Positas College, Building 2400, Livermore · Regional
Early-bird tickets are $100 for chapter members, $145 for non-members and $45 for full-time students; prices rise after October 31, 2026. Las Positas students and staff may attend free from 1:00 p.m.
ConfirmedConferencePaid
Fri, Dec 4, 2026 · 6:00 p.m.
4 Embarcadero Center, ground level by the information kiosk, San Francisco · Metro area
Per published schedule; confirm with organizer.
MeetingFree
Fri, Dec 4, 2026 · 6:00 p.m.
Outside the Dr. Martin Luther King Jr. Library, downtown San Jose
Per published schedule; confirm with organizer.
MeetingFree
Fri, Jan 1, 2027 · 6:00 p.m.
4 Embarcadero Center, ground level by the information kiosk, San Francisco · Metro area
Per published schedule; confirm with organizer.
MeetingFree
Fri, Jan 1, 2027 · 6:00 p.m.
Outside the Dr. Martin Luther King Jr. Library, downtown San Jose
Per published schedule; confirm with organizer.
MeetingFree
Fri, Feb 5, 2027 · 6:00 p.m.
4 Embarcadero Center, ground level by the information kiosk, San Francisco · Metro area
Per published schedule; confirm with organizer.
MeetingFree
Fri, Feb 5, 2027 · 6:00 p.m.
Outside the Dr. Martin Luther King Jr. Library, downtown San Jose
Per published schedule; confirm with organizer.
MeetingFree
Fri, Mar 5, 2027 · 6:00 p.m.
4 Embarcadero Center, ground level by the information kiosk, San Francisco · Metro area
Per published schedule; confirm with organizer.
MeetingFree
Fri, Mar 5, 2027 · 6:00 p.m.
Outside the Dr. Martin Luther King Jr. Library, downtown San Jose
Per published schedule; confirm with organizer.
MeetingFree
Fri, Apr 2, 2027 · 6:00 p.m.
4 Embarcadero Center, ground level by the information kiosk, San Francisco · Metro area
Per published schedule; confirm with organizer.
MeetingFree
Fri, Apr 2, 2027 · 6:00 p.m.
Outside the Dr. Martin Luther King Jr. Library, downtown San Jose
Per published schedule; confirm with organizer.
MeetingFree
Mon, Apr 5 to Thu, Apr 8, 2027
Moscone Center, 747 Howard St, San Francisco · Regional
The organizer's March 2026 press release and Moscone Center's event calendar both give April 5 to 8, 2027. The organizer's sites (rsaconference.com and onersac.com) refused automated access.
ConfirmedConferencePaidVendor-hosted
Wed, Jun 16 to Thu, Jun 17, 2027
San Jose McEnery Convention Center, San Jose
A vendor-run trade show and conference. The organizer's page lists a free pass for some visitors and a $499 Full Access Gold Pass; check who qualifies for a free pass before registering. A third-party listing gives May 2027 dates; the organizer's June 16 to 17, 2027 dates are used here.
ConfirmedConferenceFreePaidVendor-hosted
Mon, Jun 21 to Wed, Jun 23, 2027
Northeastern University Silicon Valley Campus, San Jose
Author registration deadline (also the last day a refund can be approved): Thu, Apr 15, 2027
The eighth annual conference of the nonprofit Silicon Valley Cybersecurity Institute, with research papers, tutorials, workshops and industry talks. Registration opens in 2027 and prices are not posted yet; the site does not describe a free tier. The 2026 edition was held June 10 to 12, 2026 in San Jose.
ConfirmedConferencePaid
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
Announced by the organizer; date not yet published.
Cisco Santana Row, San Jose
Date TBAMeetupFree
Usually held over a weekend in March; 2027 dates not yet announced
San Francisco (2026 edition at City View at Metreon) · Regional
ExpectedConferencePaid
Held during RSAC week (March 23, 2026); 2027 date not yet announced
San Francisco (2026 edition at Public Works SF) · Regional
ExpectedConferencePaid
Held August 27 to 28 in 2026; 2027 dates not yet announced
Santa Clara (2026 edition at the Santa Clara Convention Center) · Metro area
ExpectedConferencePaid
San Francisco (location given to registrants) and online · Metro area
Periodic KnowledgeNet meetings, in person and virtual
Only IAPP members can join. The chapter page as archived April 15, 2026 listed a virtual meeting on April 21, 2026 and the joint in-person workshop on May 6, 2026.
Members only
iapp.org/community/iapp-chapters/san-francisco-… [S20] [S21]
Silicon Valley (location given to registrants) · Metro area
Periodic KnowledgeNet meetings on privacy and AI governance, often held jointly with the San Francisco Bay Area chapter
IAPP says only IAPP members can join KnowledgeNet chapters. The last activity date is the in-person "Lunch and CCPA Risk Assessment Workshop" on May 6, 2026, shown as sold out on the chapter page as archived April 15, 2026; no post confirms it took place.
Members only
iapp.org/community/iapp-chapters/silicon-valley… [S22] [S23]
San Francisco · Metro area
Spring and fall conferences plus occasional community events
The 2026 Spring Conference was held May 14, 2026 at KPMG's San Francisco office. The chapter's October 3, 2026 CommunITy Day at Ocean Beach is a volunteer event, not a security program.
Paid
Santa Clara, Pleasanton and online · Metro area
Monthly webinars and in-person events, plus an annual two-day conference in late August
The 2026 Annual Conference ("Trusted Autonomy: Governing the Agentic Future") was held August 27 to 28, 2026 at the Santa Clara Convention Center. The chapter's event list loads only in a browser; check it for monthly events.
Paid
East Bay; monthly meetings on Zoom, conferences at Las Positas College, Livermore · Metro area
Monthly member meetings on Zoom, usually a Thursday from 7:00 to 9:00 p.m.; in-person conferences a few times a year
The ISC2 chapter whose area covers the East Bay. Monthly member meetings are online webinars (registration required, 2 CPEs); the in-person events are the chapter's conferences, which charge admission.
Free
San Francisco (Financial District) and online · Metro area
Irregular happy hours, joint networking events and online talks, announced on the chapter's LinkedIn page
The chapter's website calendar stops at a July 31, 2025 joint event, but it posts current events on LinkedIn: an online talk, "Who Is Qualified to Supervise an AI Agent?", on Thursday, September 10, 2026, and happy hours at Harlan Records in August and September 2026.
Free
Santa Clara (host company varies), with a Zoom option · Metro area
Monthly chapter meetings from 6:00 to 8:00 p.m., usually on a Tuesday; no meetings in July and August in 2026
The September 8, 2026 meeting was hybrid at Palo Alto Networks headquarters in Santa Clara; the address is shown after free registration on Luma. The 2026 meetings fell on second Tuesdays, but the chapter does not publish a fixed rule.
Free
San Francisco Bay Area; the 2026 meeting was online · Metro area
No regular schedule; one virtual meeting posted for 2026
The chapter held a virtual "revitalization" meeting for members and guests on April 8, 2026. No in-person meeting in 2026 was found. It has co-hosted evening events with the ISC2 San Francisco chapter, ISACA San Francisco and Cyversity Bay Area in the past.
Free
San Jose and Sunnyvale (host companies vary) · In the city
Monthly evening meetings, usually on a Tuesday at 5:30 p.m., in person with a virtual option
Meetings in 2026 fell on the third Tuesday of the month, but the chapter does not publish that as a fixed rule. Registration is through Luma; the October 2026 meeting is free. The December holiday party is for members and approved guests only.
Free
Rotates among Pleasanton, Palo Alto, San Mateo, Redwood City, Mountain View and San Francisco · Metro area
Monthly evening meetups from 5:00 to 8:00 p.m.; host company and city change each month
Check the city before going: the July and September 2026 meetups were in Pleasanton, others in San Mateo, Palo Alto and San Francisco; no San Jose venue was found in 2026. The September 30, 2026 meetup was held at Workday in Pleasanton. No October date was posted on October 8, 2026. The chapter has co-hosted meetups with CSA San Francisco and Pacific Hackers.
Free
Eli's Mile High Club or Cafe Van Kleef, Oakland · Metro area
Third Friday of the month (no start time published)
The site lists only the two bars and a third-Friday schedule, with no dated meetings. The last activity date is the most recent dated evidence found: an April 10, 2025 web archive capture of the site with the same schedule. Contact the group before going.
Quiet: last activity Apr 2025Free
Marufuku Ramen, Pruneyard Shopping Center, Campbell · Metro area
Third Thursday of the month, 7:30 p.m.; sometimes moved to another Thursday when the San Jose Sharks play at home
The group moved after DEF CON 34 (August 2026) from its downtown San Jose spot to Marufuku Ramen in Campbell, according to its July 23, 2026 forum post. The last activity date is the August 20, 2026 meeting it announced on the DEF CON forum on August 14; no post confirms it took place. Last-minute changes go out on the group's Discord.
Free
Near the Ashby BART station, Berkeley (exact spot shared by message) · Metro area
Usually a Sunday at 11:00 a.m., on or near the Sunday next to the second Monday of the month; rain delays are common
The group posts meeting dates on Bluesky, where it announced on June 7, 2026 that the meeting was being held that day and announced a July 12, 2026 meeting. Its website still showed the July 2026 meeting when checked in September. Dates move for weather and holidays, so check Bluesky before going.
Free
Palo Alto, Sunnyvale and San Francisco (venues vary) · Metro area
Meetups, CTF days and an annual conference; no fixed schedule
A nonprofit hacker community. Its pre-DEF CON CTF and barbecue ran June 26, 2026 in San Francisco and June 27, 2026 at Endor Labs in Palo Alto. It runs the Pacific Hackers Conference, held November 1, 2025 at Plug and Play Tech Center in Sunnyvale.
Free
4 Embarcadero Center, ground level by the information kiosk, San Francisco · Metro area
First Friday of the month, 6:00 p.m.
Part of 2600 Magazine's monthly meeting network. The last activity date is the first Friday of September 2026, when the magazine's September list still named this meeting; no post confirms that a specific meeting took place.
Free
Outside the Dr. Martin Luther King Jr. Library, downtown San Jose · In the city
First Friday of the month, 6:00 p.m.
Part of 2600 Magazine's monthly meeting network. The last activity date is the first Friday of September 2026, when the magazine's list still named this meeting; no post confirms that a specific meeting took place.
Free
Palo Alto and Sunnyvale (host companies vary), some online · Metro area
Evening technical talks every month or two at 6:00 p.m.
Talks cover application security, reverse engineering and offensive testing. The most recent was on April 2, 2026 at Straiker in Sunnyvale; no later date was posted when checked.
Quiet: last activity Apr 2026Free
San Francisco Bay Area (meeting places not published) · Metro area
No published schedule; events are posted on Cyversity's member platform
Cyversity (formerly ICMCP) supports women, underrepresented communities and veterans in cybersecurity; membership is paid. The chapter page is current, but its event listings could not be read without logging in. The last activity date is the joint speaker event with ISC2, ISACA and ISSA San Francisco on July 31, 2025, from the ISC2 San Francisco calendar.
Quiet: last activity Jul 2025Paid
San Jose and San Francisco (host companies vary) · In the city
Evening talks and networking about once a month; dates posted on Luma
Open to women, men and allies. The last activity date is the May 19, 2026 session it co-hosted with ISSA Silicon Valley. Its Luma calendar lists a joint ISSA Silicon Valley meeting in San Jose on October 20, 2026, a San Francisco evening on October 22, 2026, and a Cisco Santana Row event in San Jose in November 2026 with no time or details yet.
Free
San Francisco · Metro area
Formerly occasional meetups
The last event on the group's Meetup page is a February 23, 2020 RSA week gathering. The chapter is not among the Women's Society of Cyberjutsu chapters listed; the nearest listed chapter is in Southern California.
Free
San Jose State University, ISB 842 · In the city
During the semester: CTF practice Fridays at 2:15 p.m. and workshops Thursdays at 1:30 p.m.
San Jose State is an NSA CAE school. The club's last dated event is an Intro to Network Defense workshop on October 10, 2025; its officer list is for fall 2025. SJSU also has a WiCyS student chapter.
Quiet: last activity Oct 2025Students only
City View at Metreon, 135 4th St, San Francisco · Regional
Annual two-day community conference in March, the weekend before RSAC
BSidesSF 2026 was held March 21 to 22, 2026. The status is quiet only because the conference runs once a year; the site had not announced 2027 dates when checked.
Quiet: last activity Mar 2026Paid
San Francisco (host companies vary) · Metro area
Evening meetups every month or two, 5:30 to 8:00 p.m.
The most recent meetup found was July 29, 2026 at 600 Illinois St, San Francisco. The chapter says local membership and events are free. No later date was posted when checked.
Free
Fremont (Downtown Event Center and city community centers) · Metro area
About one tech talk a month on weekends; dates posted on the chapter calendar
A general computing chapter, not a security group. It has run security talks: "The AI Paradox in Security" on October 26, 2025 at the Irvington Community Center and "The Rise of Intelligent Attacks and Smarter Defenses" on May 16, 2026 at the Fremont Downtown Event Center, 3500 Capitol Ave. Its September 26, 2026 talk is on AI and software architecture.
Free
Numbered references for the listings on this page.