GPT-5.5 matches heavily hyped Mythos Preview in new cybersecurity tests
ID: 8e65b429-176e-58b8-a12c-c75f82d5d527
STIX ID: report--8e65b429-176e-58b8-a12c-c75f82d5d527
Feed Name: Ars Technica Security (category)
### Executive summary The article covers OpenAI CEO Sam Altman's comments on "fear-based marketing" related to cybersecurity-capable AI models and notes OpenAI's Trusted Access for Cyber program and limited rollouts of GPT-5.4-Cyber and GPT-5.5-Cyber to verified researchers and critical cyber defenders; it contains no report of an actual cyber incident.
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