Message contents and government official contact information were obtained during the breach, 404 Media reports.

A hacker managed to breach TeleMessage, a company that sells a modified version of Signal to the US government. Mike Waltz was spotted using it last week.

Fox News contributors Ben Domenech and Leslie Marshall discuss Mike Waltz being moved from his position as national security advisor to United Nations ambassador on 'MediaBuzz.'

Waltz’s fate was sealed by his inclusion of a journalist on a sensitive Signal group chat in March. But he had been clashing with other top officials since early in the administration, including over whether to pursue military action against Iran,