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

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

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

TeleMessage lets users archive their chats in secure messaging apps. However, the hacker reportedly found that TeleMessage’s ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny for ...

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

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

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

Mike Waltz, the Trump adviser who accidentally invited a journalist to a war plans group chat on Signal, was caught casually scrolling through his Signal messages during a Cabinet meeting Thursday.

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

Mike Waltz, the departing national security adviser ... involving him and other prominent government officials using Signal to converse about highly sensitive details regarding a planned U.S ...

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