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 ...

'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 ...

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Messaging app Signal is in the news, and not for anything positive. Defense Secretary and former Fox News contributor Pete Hegseth recently demonstrated how not to use a secure communications channel ...

Top Trump administration officials accidentally shared highly sensitive attack plans on Iranian-backed militants in Yemen with a journalist on the messaging app Signal. Signal is a free, encrypted ...

The Signal encrypted messaging application is seen on a mobile device in this illustration photo taken in Warsaw, Poland on 26 March, 2025. (Photo by Jaap Arriens/NurPhoto) I don’t know very much ...

When WhatsApp changed its terms in 2021, I was one of the many users who looked for alternative messaging apps for Android. While I had heard about Signal before, the controversial move by WhatsApp ...

Top Trump administration officials accidentally shared highly sensitive attack plans on Iranian-backed militants in Yemen with a journalist on the messaging app Signal. Signal is a free, encrypted ...