# OpenAI is building a cyber defense tool. It won't say who qualifies to use it. - slug: openai-is-building-a-cyber-defense-tool-it-wont-say-who-qualifies-to-use-it - date: 2026-04-22 - category: Artificial Intelligence OpenAI built its most permissive cyber AI ever and is quietly deciding which security researchers get to use it — without publishing the criteria. ---