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

In an effort to protect users' privacy from Microsoft's 'Recall' feature, which records users' PC activity by taking screenshots every few seconds, Signal, a privacy-focused encrypted messaging ...

The messenger app Signal received the highest rating on the Electronic Frontier Foundation's ' Most Secure Messenger List,' and is officially used as a communication tool between U.S. senators due to ...

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 ...

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 ...