Mike Waltz was photographed using Signal in a Cabinet meeting the day before Trump announced he was replacing him as national ...

A new analysis of TM Signal’s source code appears to show that the app sends users’ message logs in plaintext. At least one ...

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

Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.

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

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

The app Waltz was using appeared to be “TM SGNL,” a modified version of Signal that retains and archives messages to comply ...

An Israeli app used by then-U.S. National Security Adviser Mike Waltz to archive chats on Signal was easily hacked and his ...

There are some hurdles former National Security Advisor Mike Waltz must clear first before the United Nations ambassador job is his — including undergoing a Senate confirmation process.

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in "Signalgate." ...

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a ...

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...