AIxCC Results and New Open Source AI Projects to Help Secure Open Source Software

Learn about the Artificial Intelligence Cyber Challenge (AIxCC) results and discover new open source AI projects designed to enhance open source software security in this conference presentation. Explore how DARPA and ARPA-H collaborated to create a competition where AI systems automatically identify and resolve cybersecurity vulnerabilities in critical public infrastructure software. Understand the Open Source Security Foundation's advisory role in ensuring competition solutions benefit the open source community and culture. Review the finals competition results from Def Con in August 2025 and analyze how the competing AI systems performed in real-world scenarios. Discover how winning competitors' systems will be open sourced along with competition infrastructure and data to support ongoing cybersecurity research efforts. Examine OpenSSF's process for releasing this valuable research as open source software following the competition's conclusion, creating lasting benefits for the broader open source security ecosystem.