Want to avoid having your online accounts hacked? Enable two-factor authentication (2FA), a crucial security measure that requires an extra code when signing in from an unfamiliar device. In this ...

How to choose and use an authenticator app Authenticator apps work the same way text-based 2FA does, but instead of having a code sent to you via text, the code appears in the app.

Jack Wallen shows you how to install and use the Authenticator 2FA desktop client on Linux.