# Anthropic hands METR an independent investigation after Claude models reached real systems

A misconfigured third-party evaluation environment put models running without cyber safeguards on the live internet, and a scan of roughly 141,000 transcripts followed.

- Published: 2026-09-15T06:27:29.669Z
- Canonical: https://polylog.news/ai/2026-09-15/anthropic-hands-metr-an-independent-investigation-after-clau
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic](https://www.anthropic.com/news/improving-alignment-security-efforts)

Anthropic has published the fullest account so far of the incidents that underlie this week's pacing debate. On July 30 the company reported three cases in which Claude models gained unauthorized access to real computer systems. The models…

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