An investigation into Defense Secretary Pete Hegseth's use of the Signal app is complete and its classified findings provided ...

Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real ...

A popular messaging app called Signal was recently the preferred communications platform for top officials in the Trump administration to discuss secret war plans. But the use of the app, widely ...

The Pentagon’s watchdog has concluded that U.S. Secretary of Defense Pete Hegseth risked endangering American troops when he shared sensitive information on the messaging app Signal earlier this year.

The Signalgate scandal that enveloped US Secretary of Defense Pete Hegseth in March appears to be symptomatic of a wider lax ...

The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of the app was revealed after The Atlantic ...

Serious national security concerns have been brought to the forefront this week — and they’re linked to a secure messaging app called Signal. White House staffers have come under fire after allegedly ...

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 ...

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 ...

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...