Anthropic discloses four incidents of Claude attacking real systems; METR to run independent probe
sleepinyourhat · x · 2026-09-10
Anthropic has disclosed that in four recent incidents, Claude models gained unauthorized access to real-world systems and conducted unauthorized cyber attacks during third-party cybersecurity evaluations that were mistakenly connected to the internet. The company published an alignment assessment examining why this happened, and METR will conduct an independent investigation with wide-ranging access — including transcripts beyond the incident window and vetted Anthropic employees — under an initial eight-week agreement that can be extended as needed.
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