August 5, 2026 12:56 PM
OpenAI, Anthropic AI agents implicated in new security breaches
An AI agent was caught creating fake online identities to gain unauthorized access to secure systems during tests of models from OpenAI and Anthropic which revealed a series of new breaches, Britain's AI Security Institute disclosed on Tuesday. The institute said agents powered by Anthropic's Mythos 5 and OpenAI's GPT-5.6-Sol engaged in unauthorized actions during security evaluations the government organization conducted to assess the models' capabilities. "Some of the agents being tested had...