GnuPG, or GPG, is a free implementation of the OpenPGP standard. It allows you to encrypt and sign your data and communications. It features a versatile key management system and access modules for ...

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Learn more.

You’ve probably heard the word “encryption” a million times before, but if you still aren’t exactly sure what it is, we’ve got you covered. Here’s a basic introduction to encryption, when you should ...