Plenty of unknowns remain after Defense Secretary Pete Hegseth designated Anthropic a "Supply-Chain Risk to National Security" on Friday.

Former defense and intelligence officials and policy experts are urging Congress to investigate the Pentagon's labeling of Anthropic as a supply chain risk.

Plenty of unknowns remain after Defense Secretary Pete Hegseth designated Anthropic a "Supply-Chain Risk to National Security" on Friday.

The formal declaration will require defense vendors and contractors to certify that they don’t use Anthropic’s models in their work with the Pentagon.

The supply chain risk designation of the artificial intelligence firm is a first for a US company.