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 ...

Our SecureDrop instance is currently offline while we upgrade our systems to ensure the safety of our sources. We recommend you use Signal, PGP, or anonymous postal mail for now. Feb. 28, 2017, 3:54 p ...