Free six-part course on encrypting email and securing your network sessions against snooping

Jeff sez, "Tuts+ has made my six part introduction to PGP encryption, email and networking privacy available to readers for free."

While encryption ease of use needs further improvement, these pieces are great ways to guide newbies toward the basics and familiarize them with the concepts. It shows you how PGP works, how to encrypt emails on the desktop, smartphone and in the browser and how to use VPN services to protect your Internet privacy. It also includes an episode introducing the innovative startup Keybase, which makes authenticating and sharing keys easier.

It's Time To Encrypt Your Email [Jeff Reifman/Tuts+]