Decrypt β’Friday, May 1, 2026 at 05:56 PMβ’1 min read
OpenAI's GPT-5.5 Matches Claude Mythos in Cyberattack Capabilities: AI Security Institute
The Signal TakeBearish
OpenAI's GPT-5.5 is the second AI system to complete a simulated corporate network intrusion end-to-end, raising alarms.
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