TeleMessage drew media attention after a Reuters photograph showed Mike Waltz checking its version of Signal during a cabinet ...

A significant cybersecurity incident has come to light, revealing that a hacker managed to breach TeleMessage, a Signal fork ...

A hacker breached TeleMessage, a government-approved messaging app used by Trump administration officials, exposing archived communications from the platform’s modified ...

Trump previously discouraged his officials from using Signal following "Signalgate," when Mike Waltz added a journalist to a private chat of pending war plans.

A Signal archiving tool the Trump administration relied on has suspended operations after two reported hacks, according to several news reports. Why it matters: The suspension is just the latest in a ...

The communications app used by U.S. President Donald Trump's former national security adviser, Mike Waltz, said Monday that ...

The unofficial version of Signal used by Donald Trump's former National Security Adviser Mike Waltz has been hacked, tech site 404 Media said Sunday, raising further concern over the security of the ...

The communications app used by U.S. President Donald Trump's former national security adviser, Mike Waltz, says it is temporarily suspending services following a reported hack that exposed some of its ...