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 photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

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

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet ...

President Donald Trump's outgoing national security adviser Mike Waltz was photographed using Signal on his phone during ...

Waltz’s problem was that in an administration of know-nothing America firsters, solicitous Trump sycophants, and national ...

The version of Signal that recently ousted national security adviser Mike Waltz was caught checking during a Cabinet meeting ...

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

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

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

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