Donald Trump's national security adviser Mike Waltz has already been ousted for using a crappy Signal clone — but the fallout ...

It looked like Signal (popular because it's allegedly secure), but it was actually a modified version of it, called TM SGNL, made by a company named TeleMessage. Unlike Signal, TM SGNL stores copies ...

Once little known outside government and finance circles, TeleMessage drew media attention after an April 30 Reuters photograph showed Waltz checking TeleMessage's version of the privacy-focused app S ...

TeleMessage's owner, the Portland, Oregon-based digital communications firm Smarsh, did not respond to requests for comments about the leaked data. The White House said in a statement that it was ...

A hacker who breached the communications service used by former Trump national security adviser Mike Waltz earlier this month intercepted messages from a broader swathe of American officials.

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

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

A hack of the Signal app clone used by the Trump administration exposes messages and metadata for over 60 involved government ...

A hacker breached the communication service TeleMessage, used by former Trump adviser Mike Waltz, compromising over 60 American officials' data. While the breach doesn't reveal sensitive content, it ...

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