The app offers encrypted messaging, but a report found that Russia-aligned actors were targeting it.

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 ...

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

U.S. Defense Secretary Pete Hegseth shared details of a March attack on Yemen's Iran-aligned Houthis with his wife, brother and personal lawyer, USA TODAY reported, via the same type of Signal app ...

WASHINGTON ‒ Defense Secretary Pete Hegseth is facing renewed scrutiny after a new report that he shared the timing of U.S. air strikes on Houthi rebels with his wife and brother on an encrypted ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. This voice experience is generated by AI. Learn more. This ...

FBI and CISA warn Russian spies targeted Signal users in a phishing campaign that compromised thousands of messaging app ...

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 ...

A photo taken by Reuters' Evelyn Hockstein during a Cabinet meeting Wednesday shows Waltz holding his phone below the table, with the encrypted-texting app open and visible. It also shows Waltz in ...

The Signal chat, intended for administrative discussions, reportedly included about a dozen people and revealed the airstrike schedule. Signal is an end-to-end encrypted messaging app touted for its ...

Mike Waltz appears to be communicating with other Trump officials via a version of Signal a day before he was removed as White House national security advisor. A photo from a Cabinet meeting Wednesday ...