OpenAI expands its cyber defense program with GPT-5.4-Cyber for vetted researchers
ID: 4e59c6cc-7287-532f-9485-f40f8de8b63e
STIX ID: report--4e59c6cc-7287-532f-9485-f40f8de8b63e
Feed Name: Help Net Security
OpenAI is expanding its Trusted Access for Cyber (TAC) program to provide vetted defenders and teams prioritized access to more permissive models and tools, including a defensive-focused GPT-5.4-Cyber and Codex Security, with stronger identity verification, tiered access, and iterative deployment to balance defensive benefits against dual-use risks.
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