Semafor: China-Linked Group Suspected of Accessing Anthropic’s Top-Secret AI

The Trump administration ordered Anthropic to restrict its most advanced cybersecurity artificial intelligence (AI) model on June 13, 2026, prompting the company to suspend access worldwide. Semafor reports that a China-linked group was suspected of gaining unauthorized entry to the system. What Happened Anthropic shut down global access to two AI models, Mythos and Fable