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How to Use Signal Encrypted Messaging
The best end-to-end encrypted messaging app has a host of security features. Here are the ones you should care about.
But Signal stands apart, both for its rich features and the fact that its code has been open source for years, meaning cryptographers have had plenty of opportunities to poke and prod it for flaws. So when attackers successfully breached Twilio through a recent phishing campaign, they were able to access those SMS codes for some 1,900 Signal accounts and potentially register a victim’s phone number with their own device. While neither the Twilio nor the QR code examples involved issues with Signal's encryption, both serve as potent reminders that even an app that’s designed around security can have weak spots.
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