As Chinese AI application DeepSeek attracts hordes of American users, Trump administration officials, lawmakers and cybersecurity experts are expressing concern that the technology could pose a threat to U.S. national security.

The National Security Council is reviewing the app's implications, Leavitt said. "This is a wake-up call to the American AI industry," she added, echoing Trump's comments from a day earlier while also saying the White House was working to "ensure American AI dominance.

White House and European regulators are separately investigating DeepSeek over national security risks, data privacy concerns, and potential IP violations.