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.

U.S. officials are looking at the national security implications of the Chinese artificial intelligence app DeepSeek, White House press secretary Karoline Leavitt said on Tuesday.

Rep. Mike Waltz (R., Fla.), whom President-elect Trump has picked to serve as his national security adviser, has resigned from Congress. A former Green Beret, Waltz has served in the House since 2019.