U.S. Cyber Command

Anthropic's unreleased Claude Mythos Preview AI cracked nearly all classified U.S. government systems in hours during a sanctioned testing exercise with intelligence agencies, according to Gen. Joshua…

Anthropic's Mythos AI model identified vulnerabilities in classified U.S. government systems during a controlled test, prompting the Trump administration to restrict foreign national access to the mod…

A U.S. official said Anthropic's Mythos AI model identified vulnerabilities in classified U.S. government systems within hours during a testing exercise with intelligence agencies. The testing was par…