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 ...

President Trump recently discouraged the use of the Signal app after controversy over a group chat of administration officials detailed military plans.

Days after former National Security Adviser Mike Waltz was caught using a knock-off Signal app, a hacker broke into the system.

Photo appears to show Mike Waltz using Signal-like app that can archive messages More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen ...

The Signal Desktop app now has a new security feature to prevent Microsoft Recall from taking screenshots of chats. This feature utilizes a flag similar to Android's "FLAG_SECURE" to protect user ...

The messaging app "Signal" is making headlines again, after military plans were leaked in a group chat.

Signal is back in the headlines, but this time it’s not for a security breach, but rather a high-profile example of how it’s designed to work.