Trump Bans Anthropic AI in Federal Agencies — Pentagon Flags Claude as Security Risk

The U.S. government directed federal agencies to immediately cease using Anthropic's AI model Claude and formally designated the company a supply-chain risk to national security after a dispute over Pentagon demands for unrestricted access for surveillance and autonomous weapons; Anthropic refused, plans to legally challenge the designation, and warned of impacts on cloud providers and defense relationships as the standoff escalates.