[NEWSLETTER]score: 0.41

Claude Mythos clears all UK AI safety cyberattack simulations

May 15, 2026

UK AI Security Institute revised AI cyber capability doubling time from 8 to 4.7 months; Claude Mythos and GPT-5.5 already exceed forecast, with Mythos completing 32-stage corporate network attack in 6/10 attempts and first model to crack AISI industrial control simulation.

SOURCE

https://the-decoder.com/new-claude-mythos-becomes-the-first-ai-model-to-clear-all-cyberattack-simulations-from-britains-ai-safety-agency

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