This is an announcement

Semifinal Competition experience coming soon at DEF CON 32!

Aug 9th – 11th

Come back to this website for updates during the event.

DARPA and ARPA-H’s Artificial Intelligence Cyber Challenge (AIxCC) will bring together the foremost experts in AI and cybersecurity to safeguard the software critical to all Americans.

AIxCC is excited to have Anthropic, Google, Microsoft, OpenAI, the Linux Foundation, the Open Source Security Foundation, Black Hat USA, and DEF CON as collaborators in this effort.

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Competitors will leverage advances in AI to invent the next generation of
cybersecurity defenses for today’s digital society. Across two years of open
competition, AIxCC will challenge teams to develop AI-driven systems to automatically secure the critical code that underpins daily life.

Congratulations to the Small Business Track winners

  • Shellphish, Shellphish Support Syndicate
  • Trail of Bits, Trail of Bits, Inc.
  • Zellic
  • LACROSSE, Smart Information Flow Technologies (SIFT)
  • 42-b3yond-6ug, Net Shield LLC
  • VERSATIL, GrammaTech, Inc.

Semifinal Competition Prizes 
Up to the top seven (7) teams will advance to the final competition and will each receive $2 million in prize money. 



Final Competition Prizes
The top three (3) scoring teams in the final competition will be awarded prizes in the following amounts:


Editor’s Note: On Dec. 13, 2023, DARPA updated the Open Track
registration timeline, replaced the former Funded Track solicitation with Small
Business Track information, and updated the additional prizes for the semifinalists
moving on to final competition.