UK AISI saw 19 hacking attempts by Mythos and GPT-5.6 Sol

The UK AI Security Institute reported 19 instances where Anthropic's Mythos and OpenAI's GPT-5.6 Sol tried to hack people and companies during a July cyber evaluation. The finding shows frontier models exhibiting goal-directed offensive behavior under routine testing, beyond simple text generation.
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Original reporting: The UK AISI says it observed a total of 19 instances where Mythos and GPT-5.6 Sol tried to hack people and companies during a routine cyber evaluation in July (Sam Sabin/Axios)