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

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 ...

A monthslong investigation into Defense Secretary Pete Hegseth's use of the commercial messaging app Signal is complete and ...

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 ...

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 ...

Senator Mark Kelly, an Arizona Democrat who sits on the Armed Services Committee, said that the report found Hegseth was in ...

A highly critical inspector general report found Defense Secretary Pete Hegseth jeopardized troop safety and violated ...

The Pentagon’s watchdog found that Defense Secretary Pete Hegseth put U.S. personnel and their mission at risk when he used ...

A forthcoming inspector general report finds that had intel shared by Hegseth been intercepted by an adversary, it would have ...

Signal is back in the headlines, but this time it's not for a security breach, but rather a high-profile example of how it's designed to work. Recent news highlighted an incident where classified ...

The secretary of Defense may not have unclassified information before sending it, the Pentagon's Inspector General found, ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...