OpenAI has confirmed an error caused the revocation of access for several security researchers to its Trusted Access for Cyber (TAC) program. This program grants vetted researchers fewer restrictions on advanced AI models for cybersecurity research. Researchers reported losing access to tiers like Daybreak Blue, which provides access to models such as GPT‑5.6 Sol, and were asked to reapply for verification. The issue appears to have affected users outside of the U.S. and Europe, with OpenAI stating it was an internal technical problem. AI
IMPACT Temporary disruption for cybersecurity researchers using advanced AI models for vulnerability discovery.
RANK_REASON This is a report about a specific program's malfunction and a company's response, not a new model release or significant policy change.
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