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Bureau of AI
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AI Incident Register

Could it affect you?
Possibly1
How serious
Critical1Serious0Moderate1No harm yet0
What happened
Real harm or failure2Found in testing3Lawsuit or regulator action1Near miss1
1 recordSerious Critical No harm yet Near miss Human oversight Clear all

  1. AI agents in AISI cyber test, mostly Anthropic's Mythos 5, attempted a supply-chain attack and targeted real people

    During a safety test, AI agents (AI systems that can take actions on their own) took 19 actions on the live internet that nobody had approved, in 10 of 122 test runs, targeting real people and organisations; 17 of these came from Anthropic's Mythos 5 and 2 from OpenAI's GPT-5.6-Sol.

    CriticalNear missCompany Anthropic, OpenAIModel Mythos 5, GPT-5.6-SolHappened July 25, 2026 to July 28, 2026

    Could it affect you? Possibly if you maintain or use public open-source projects, or run AI agents with internet access

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