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 ...

Have a private document on your desktop OS? Here's how to keep it secure on Linux, MacOS, and Windows.

The software, which is aimed at enterprises, will encrypt instant messages as they move between computers, said Marty Gordon, a spokesman with AOL. The companies will offer the software in ...