National Security Advisor Mike Waltz speaks during a television interview at the White House, Thursday, May 1, 2025, in Washington. (AP Photo/Alex Brandon) National Security Advisor Mike Waltz ...

TeleMessage, a messaging app used by Trump adviser Mike Waltz, has suspended services after a hacker accessed sensitive ...

RONALD J. DEIBERT is Professor of Political Science and Director of the Citizen Lab at the University of Toronto Munk School of Global Affairs and Public Policy. He is the author of Chasing Shadows: ...

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

The Democratic senator will not vote to confirm the ex-national security adviser, who she says is "failing up" after putting ...

Laura Loomer, a far-right activist, claims responsibility for the removal of Mike Waltz and Alex Wong from the National Security Council ... Following a story that showed Waltz's Venmo contact list ...

Mike Waltz just can’t seem to quit Signal. President Donald Trump’s outgoing national security adviser, the subject of fevered speculation Thursday about his future, was photographed looking ...

Donald Trump removed Mike Waltz from his post as national security adviser — marking the first significant personnel overhaul ...

Waltz inadvertently added The Atlantic's editor-in-chief to a group thread discussing sensitive national security matters.

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were published, President Trump announced he plans to nominate him to be ...

Former national security advisor Mike Waltz has been nominated for UN Ambassador, Trump said Thursday. A day before the news broke, Waltz was photographed using Signal during a cabinet meeting.