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.

Signal, the secure messaging app, warned that "government officials and journalists" had experienced their accounts being ...

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

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 ...

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 ...

The Nevada DMV communicated with ICE over Signal for its work on a federal task force that it says does not relate to ...

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 ...