DEF CON

Conference Annual

The world's largest hacker convention. 25,000+ attendees, 40+ hands-on villages, and a core focus on AI security, LLM red teaming, and offensive security. A critical venue for cybersecurity founders, researchers, and anyone building in the security space.

Upcoming Dates

  • 2026: Wednesday, August 5, 2026
  • 2027: Thursday, August 5, 2027
  • 2028: Saturday, August 5, 2028
  • 2029: Sunday, August 5, 2029