Until recent news involving the Signal app, it was a relatively unknown messaging app compared with WhatsApp to many ...

President Donald Trump's national security adviser, Mike Waltz, accidentally added The Atlantic’s editor-in-chief, Jeffrey ...

Signalgate shows a fundamental misunderstanding of encryption, so it's important to understand how these technologies ...

Another sticky spot is that government regulations require a record of communication. Signal—and other secure messaging ...

WhatsApp uses the Signal Protocol (see above), meaning it offers a reliably secure form of protection for messages by default. One problem with WhatsApp is that, while the content of your messages ...

Signal and WhatsApp are both end-to-end encrypted messaging ... them — a detail that speaks volumes about their focus on user safety and why journalists are often contacted using it.