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 ...

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

The Signal group chat was made public after reporter ... employee was to blame for adding Goldberg to the chat, not Waltz. "Michael Waltz has learned a lesson, and he’s a good man," the ...

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

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

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

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

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

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 ...