Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

As national security services warn that Russian hackers are currently engaged in new global attacks against WhatsApp and Signal users, here’s how to stay safe.

Defense Secretary Pete Hegseth and Signal are back in the news. The New York Times reported Sunday that Hegseth created a Signal messaging chat that included his wife and brother. The details of the ...

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.

Russia is “engaged in a large-scale global attempt” to take over Signal and WhatsApp accounts, two Dutch intelligence agencies said Monday.

Signal, the secure messaging app, warned that "government officials and journalists" had experienced their accounts being taken over by nefarious actors. The post Secure Messaging App Warns ...

Make the most of this encrypted messaging app.

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 ...