Reuters identified more than 60 government users of the messaging platform TeleMessage in a cache of leaked data provided by ...

A hacker has breached TeleMessage, a Signal fork used by Trump's cabinet and other US officials for communications.

Politico has rules about AI in the newsroom. Staffers say those rules have been violated—and they’re gearing up for a fight.

TeleMessage takes versions of popular apps and makes it possible to archive messages in adherence with government regulations ...

A hacker who breached the communications service used by former Trump national security adviser Mike Waltz earlier this month ...

It looked like Signal (popular because it's allegedly secure), but it was actually a modified version of it, called TM SGNL, ...

These included personnel from disaster response teams, U.S. Customs and Border Protection, diplomatic corps, a White House ...

The discovery potentially raises the stakes of a breach that has already drawn questions about data security in the ...

A hacker has infiltrated a secure US government messaging app, exposing messages from over 60 officials across multiple federal agencies.

Yarden Bibas speaks of meeting Sinwar while in captivity • US intel suggests Israel preparing strike on Iran's nuclear ...