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Wednesday
02
Sep 2026
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> Anthropic

> Anthropic

Almost 700 AI agents from OpenAI worked together to attack Hugging Face

How the AI agents "escaped" the test and worked together to bypass the rules. They created a shared communication platform, and one took on the role of "coordinator" without being programmed to do so

After OpenAI, Anthropic Also Reports Incident: Three Claude AI Models Escaped a Closed Testing Environment and Hacked Organisations

Three versions of Claude gained unauthorised access to the systems of three external organisations

The US blocks foreign nationals’ access to Anthropic’s two top AI models, even for its own employees

The US government ordered Anthropic to suspend access to the Fable 5 & Mythos 5 models, citing national security concerns, affecting governments, companies & users. Anthropic referred to a “misunderstanding” & disabled the models for all of its customers

Anthropic’s Mythos is changing everything we knew about AI – Alarm over cyberattacks, what banks and Wall Street fear

The software managed to identify vulnerabilities that no one had found for decades in systems known for their security – An unprecedented risk of cyberattacks if it falls into the wrong hands