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

The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were ...

An encrypted messaging app used by the Trump administration temporarily suspended its operations Monday after suffering a ...

TeleMessage, the app that former national security adviser Mike Waltz was seen using, has suspended all services after ...

Hackers say they have breached the message archiving system Trump officials have adopted since the Signal chat debacle in ...

A Reuters photograph showed Waltz using TeleMessage, an unofficial version of the popular encrypted messaging app Signal.

President Trump has just carried out the first of what may be a series of Cabinet changes, especially in the national ...

Secretary of Defense Pete Hegseth used Signal to liaise with aides about daily Pentagon business and was participating in at ...

The US Department of Defense (DoD) is overhauling its "outdated" software procurement systems, and insists it's putting ...

TeleMessage, a messaging app used by Trump adviser Mike Waltz, has suspended services after a hacker accessed sensitive ...

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

Hegseth’s decision reportedly followed an Oval Office meeting on January 30, though Trump did not explicitly direct Hegseth ...