Putting sensitive data in email messages or cloud storage should give you the heebie-jeebies, but a good dose of cryptography can give you peace of mind. Pretty Good ...

How to easily encrypt/decrypt a file in Linux with gpg Your email has been sent Stop your search for an easy way to encrypt and decrypt files in Linux -- the built-in gpg tool will do the trick. No ...

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 ...

Once quantum computers become a commercial reality, they will change the ground rules for cryptography. Here's how quantum cryptography would work, and an explanation of the benefits and pitfalls of ...