The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here’s what to know about Signal ...

A dozen current and former officials confirmed that the encrypted messaging app is used across various agencies — despite ...

Trump took aim at the encrypted service without specifying why he thought it had issues. “I don’t know that Signal works. I think Signal could be defective, to be honest with you,” Trump ...

Sources say Hegseth set up the unsecured connection primarily to use Signal, a messaging app praised for its end-to-end encryption but not authorized for transmitting sensitive or classified ...

The phone number used in the Signal chat could also be found in a variety of places, including on social media and a fantasy ...

US Defense Secretary Pete Hegseth used an unsecured internet line in his Pentagon office to access the encrypted Signal app, ...

Reuters this week reported that U.S. Defense Secretary shared classified information with wife, brother, lawyer. How does the ...

Sen. Adam Schiff (D-Calif.) asked the National Archives and Records Administration (NARA) to investigate Trump administration ...

A new report reveals Defense Secretary Pete Hegseth had a “dirty” internet line installed in his Pentagon office, bypassing ...

WhatsApp uses Signal's encryption protocol, so your chats and calls are just as end-to-end encrypted as those on Signal. But the main distinction between Signal and WhatsApp is that the latter ...