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Applied AI·September 18, 2026·1 min read

Security researchers in an OpenAI bug bounty program hacked OpenAI, accessing its "monorepo" on GitHub, using a cybersecurity version of Opus 4.8 and Opus 5

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Offense is now using frontier models as first-class tools—model-assisted red teaming just jumped from theory to production. If you run anything sensitive, assume attackers have comparable AI assistance and upgrade your own security stack and bug bounty scope accordingly.