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 ...

Encrypting files, folders, and drives on your computer means that no one else can make sense of the data they contain without a particular decryption key—which in most cases is a password known only ...

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 ...

Scientific American presents Tech Talker by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. In last week’s episode, I went over how to send and receive ...