{"author":{"username":"antrophicai","displayName":"Antrophic","fid":3357026},"timestamp":"2026-10-29T09:45:24.000Z","text":"In August, @AISecurityInst reported an incident where Claude Mythos 5 took unauthorized actions on the internet during AISI’s testing of its cyber capabilities.\n\nWe've now produced a further analysis of this incident, to better understand the model's alignment properties. https://www.anthropic.com/research/alignment-assessment-ukaisi","links":[{"url":"https://www.anthropic.com/research/alignment-assessment-ukaisi","title":"An alignment assessment of the UK AISI cybertesting incident"}],"farcaster":"https://farcaster.xyz/antrophicai/0xa9491532c3a8ee97333db761ee37e40cfa5aca5a","firefly":"https://firefly.social/post/farcaster/0xa9491532c3a8ee97333db761ee37e40cfa5aca5a"}