Greg Brockman: OpenAI paused 25% of production engineers to let AI hunt its own vulnerabilities to exhaustion
basedjensen · x · 2026-09-15
OpenAI president Greg Brockman detailed how the company used its internal security model Astra to harden its own systems:
- 25% of production engineers were pulled off projects to focus on defense, up-leveling security architecture and using the models to find holes.
- The first pass surfaced multiple serious issues; subsequent rounds saturated — "to our knowledge, all of the P0s and critical problems Astra is smart enough to find" have been fixed.
- His thesis: defenders should run a tight loop of new model capability → fresh vuln-hunting round → fixes. If today's best models can't find more issues in your systems, you're in good shape against AI-assisted attackers.
The retweeter agrees AI will benefit defenders long-term, with each new model version enabling another sweep.
Related event: OpenAI Reassigns 25% of Engineers to AI-Driven Security Audits(2 posts)→
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