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 ...

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

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

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

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

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

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

President Trump recently discouraged the use of the Signal app after controversy over a group chat of administration ...

Mike Waltz is expected to be ousted from his role as Donald Trump's national security adviser amid the fallout over ‘The ...

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

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