A hacker breached TeleMessage, a government-approved messaging app used by Trump administration officials, exposing archived ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company ...

A Signal archiving tool the Trump administration relied on has suspended operations after two reported hacks, according to ...

A clone of the messaging app Signal, which was being used by since-ousted national security advisor Mike Waltz during a ...

A photo of former national security advisor Mike Waltz's phone drew attention shortly after Trump tapped him to be the U.S.

Hacker claims they broke into messaging service TeleMessage TeleMessage is a clone of Signal, a popular privacy-oriented chat ...

The unofficial version of Signal used by Donald Trump's former National Security Adviser Mike Waltz has been hacked, tech ...

President Donald Trump recently suggested he’d rather his administration didn’t use the Signal messaging app. A recent photo ...

A group of President Donald Trump’s cabinet members who inadvertently included the editor of the Atlantic in their Signal ...

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

The U.S. president's social media post put pressure on drug-related stocks on worries their profits will take a hit if they ...