A guide to end-to-end encryption, the system that keeps your transmitted data and communication secure

End-to-end encryption secures messages before they're sent and decrypts them only after arriving at a recipient's device.
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How Proton Mail encryption works

Encryption is a tricky business. You'll run into terms like TLS, zero-knowledge, and end-to-end encryption, which have discrete meanings with important differences. Proton Mail, one of the most secure ...