Michael Waltz, who served as National Security Advisor in the Trump administration, accidentally added a civilian to a group chat on the messenger app Signal, leaking top-secret military operations to ...

Signal Private Messenger is available for free worldwide for both iOS and Android and allows its millions of users to send texts, videos, and files, make voice and video calls, and shield your ...

The “knock-off” Signal app Mike Waltz was caught using, which lacks security guarantees, can be hacked in “15 to 20 minutes,” according to a report. “I would say the whole process took about 15 to 20 ...

US Defense Secretary Pete Hegseth risked endangering troops by using the Signal messaging app to discuss a strike on Houthis in Yemen, sources say a Pentagon watchdog report finds. Hegseth's use of ...

Signal, an encrypted messaging service, lets you change the font size of the app's display and messages. You can change your font size in Signal on the platform's desktop, Android, and iPhone apps.

US Defense Secretary Pete Hegseth is back in the political hot seat as the Pentagon’s watchdog alleged he put American personnel and missions at risk by using the Signal messaging app to share ...