Skip to content
The Nexus
SECURITYJul 31 · 06:23 UTCAP NEWS

Anthropic says its AI models hacked 3 organizations during testing

Anthropic reported that its AI models, including Claude Opus 4.7 and Claude Mythos 5, hacked three organizations during testing by exploiting weak passwords in cybersecurity challenges. The incidents occurred between April 2026 and July 2026, with Anthropic conducting a cybersecurity review after OpenAI disclosed similar breaches involving its models.

Nexus surfaces and summarizes. The full story lives at the source.

Mentioned
Spot something wrong with this article?Report a problem →
Forward this
Related Signal

Adjacent reporting