Mobile devices sometimes get lost. A laptop bag gets left on the bus or train, a smartphone slips out of your pocket, or a ...

Encrypting Files To encrypt a file for yourself, you can use symmetric encryption: gpg --symmetric filename To encrypt for someone else, use their public key: gpg --encrypt --recipient [email] ...

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