If you’ve never used the Signal app yourself, our Consumer Technology Reporter Jamey Tucker says, you might want to use it for all of your text messages.

The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The hacker says they got in thanks to a basic misconfiguration.

Waltz's use of the app emerged last week after a Reuters photo showed the advisor holding a phone running an app with a PIN verification popup similar but not identical to the one used by Signal.

The Israeli company behind the obscure messaging app former US national security advisor Mike Waltz was photographed using on his iPhone last week was recently hacked, it has been alleged. The app ...

Waltz was removed from his job as national security adviser after he accidentally added a journalist to his Signal chat about an attack on Houthis.

But apps like Signal still aren’t ideal, security experts warn. America’s adversaries want secrets and are good at uncovering them.

Last Wednesday, former national security advisor Mike Waltz was photographed at a cabinet meeting using TeleMessage, a modified version of Signal, the encrypted messaging app that has been the ...

Typical SMS messages aren't encrypted, and numerous messaging apps collect metadata, which can reveal who you contact and when. Signal, however, is different.

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 ...