Authenticator apps avoid your mobile network, sending codes through its own secure channels to avoid them being compromised. These apps generate one-time six-digit codes that refresh every 30 seconds.

You’ll then get a QR code that you’ll then scan on a Google Authenticator (version 5.10+) app on another device—using the “Import accounts” feature from the “Transfer accounts ...

Do note that this process only moves Google Authenticator (and its 2FA code) to your new device. To get authentication codes for all your other 2FA-enabled accounts, you’ll have to manually set ...

If you're using a service that allows 2-step authentication -- GMail and Dropbox are a couple of high-profile names -- you really ought to be using it. There's a lot to be said for the extra layer of ...

The Google Authenticator app eliminates the possibility of an SMS-based attack using algorithms to generate the codes on your phone. Here's how to set it up: 1.