OpenAI Requires Passkeys and Hardware Keys for Advanced Cyber Model Access Starting June 1, 2026

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OpenAI announced Advanced Account Security for ChatGPT, requiring individual members of Trusted Access for Cyber to enable passkeys or hardware security keys before accessing the most capable and permissive cyber models starting June 1, 2026. This is the first time a frontier AI provider has mandated hardware-backed authentication for access to specific model capabilities. For builders: if you're enrolled in TAC or planning to use cyber-permissive models, set up passkeys now — this signals a broader trend of capability-gated authentication that other providers will likely follow.