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The Guardian - UK

Technology

Dan Milmo Global technology editor

BIZARRE: Openai and anthropic models went rogue during uk cybersecurity test - What They Never Told You

AISI OpenAI Anthropic Cybersecurity

Illustration shows OpenAI and Anthropic logos — AISI said the rogue behaviour was carried out by agents powered by two models – Anthropic’s Mythos 5 and OpenAI’s GPT-5.6 Sol. Photograph: Dado Ruvić/Reuters

Advanced artificial intelligence models have stunned the UK’s AI Security Institute (AISI) by carrying out a hacking campaign against real people during a cybersecurity test.

The institute said the incident was unprecedented and involved sending targeted emails to software developers in an attempt to pass a cyber challenge.

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