ProtonMail is arguably the easiest way to send end-to-end encrypted emails. But encryption only works by default with other ProtonMail users. The company is adding full PGP support so that you can ...
Learn why encryption keys matter more than encryption itself when choosing the best secure email—covering key ownership, access control, privacy risks, and true end-to-end security.
PGP, first released in 1991, uses a form of encryption known as public-key cryptography. This means that if you use PGP, you create two encryption "keys," which are basically big chunks of random ...