Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

Top Trump administration officials used the messaging app Signal to debate highly sensitive plans for bombing Yemen and accidentally included the editor-in-chief of The Atlantic in a group text in ...

Amid the fallout regarding a Signal chat among senior national security officials, tech expert Ken Colburn of Data Doctors talks about the app’s security.

TeleMessage, an instant communications app used by some US Government officials, has reportedly been hacked, with private messages stolen. A report from 404 Media says a hacker broke into, and ...

The Pentagon’s acting inspector general will review Defense Secretary Pete Hegseth’s use of the Signal app to coordinate strike plans against Houthi militants, raising security and records ...

Signal is the most secure messaging app for your smartphone, but a recent leak from a US government chat group has raised questions. So how safe is Signal and how do you use it properly?

Democratic Denver Mayor Mike Johnston and his advisors used the encrypted messaging app Signal to communicate about the ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for end ...

A messaging app called Signal based in San Francisco was used by the Trump administration to discuss war plans.

The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here's what to know about Signal, including who owns it and whether it's safe to use. The messaging app ...

Defense Secretary Pete Hegseth used the Signal app on a personal computer in his office that was connected to the internet on an unsecured commercial line, what's known as a "dirty line," two ...

Defense Secretary Pete Hegseth used a “dirty line,” which refers to an unsecured internet connection, to connect to the Signal app on a personal computer in his office, multiple outlets ...