Anthropic’s Mythos model found vulnerabilities in classified US govt systems, official says

June 23, 2026

Associated Press: The official, who spoke on the condition of anonymity to discuss the matter, said Anthropic had teamed up with U.S. intelligence agencies to conduct tests using the company’s Mythos model. It had identified certain vulnerabilities within hours, but that does not mean the model was able to exploit them within that time, the official said…