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 ...

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 ...

You'll get a QR code or setup key. Next, open the Google Authenticator app and tap the plus sign. Record the 2FA code/key. Whenever you're asked for the 2FA code, open Google Authenticator to find it.

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.