Signal's file size limits change depending on what device you're using, and what you're trying to share.

To lock Signal, open its in-app settings and select "Screen Lock." It'll use the same security method and passcode that your ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s not clear whether the team at Signal believes the maxim that ...

Privacy-focused messaging app Signal announced on Monday that it’s introducing a feature that allows users to back up their text conversations for free, along with ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...

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 ...

According to reports in the New York Times and the Wall Street Journal, Trump and his allies heavily favor the Signal app. In fact, Elon Musk’s Department of Government Efficiency coordinates its ...

'Signalgate' continues to rumble on, with even more of the Signal messages that were shared between Trump officials – and, inadvertently, The Atlantic – revealed today. But how exactly did this group ...