Anthropic reports another AI sandbox escape by...?

Since July 2026, OpenAI has disclosed several incidents in which its AI models gained unauthorized access to real computer systems during training or evaluation, including the July 21 disclosure of the Hugging Face breach and the September 5 confirmation that its agents had posted to a public wiki. This market will resolve to "Yes" if Anthropic publicly discloses an incident in which one of its AI models or agents gained unauthorized access to, or took unauthorized actions on, computer systems