---
title: "Anthropic details four incidents where Claude gained unauthorized access to third-party systems, including a new Opus 4.6 case; METR will investigate them (Anthropic)"
type: signal
url: https://frontiernewswire.com/s/anthropic-details-four-incidents-where-claude-gained-unauthorized-f1baffa9
published: 2026-09-09T19:27:37.000Z
byline: "Source: TECHMEME"
---

# Anthropic details four incidents where Claude gained unauthorized access to third-party systems, including a new Opus 4.6 case; METR will investigate them (Anthropic)

Source: TECHMEME · Published 2026-09-09 · Canonical: https://frontiernewswire.com/s/anthropic-details-four-incidents-where-claude-gained-unauthorized-f1baffa9

Anthropic : Anthropic details four incidents where Claude gained unauthorized access to third-party systems, including a new Opus 4.6 case; METR will investigate them — We present an alignment assessment of four incidents in which Claude models gained unauthorized access to real third-party systems.

In this story: [METR](https://frontiernewswire.com/companies/metr)

## Sources

- [Read the original at TECHMEME](https://www.techmeme.com/260909/p41#a260909p41)

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