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

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

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

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

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

Last week, however, Waltz’s phone made headlines again: on Thursday, the same day that Waltz would be ousted from his ...

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

Trump’s now former national security adviser was using Signal in a room full of reporters. Here are the photos of his ...

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

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

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...

Waltz was among high-ranking members of the administration who accidentally shared plans about a forthcoming U.S. military ...