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

The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were ...

The communications app used by U.S. President Donald Trump's former national security adviser, Mike Waltz, said Monday that ...

The communications app TeleMessage, which was spotted on former US national security adviser Mike Waltz's phone, has ...

TeleMessage, a communications app used by former U.S. presidential adviser Mike Waltz, is temporarily suspending services ...

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 ...

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...

RONALD J. DEIBERT is Professor of Political Science and Director of the Citizen Lab at the University of Toronto Munk School ...

President Donald Trump’s director of national intelligence, Tulsi Gabbard, is open for business — on social media at ...

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.