You'll be prompted to complete the two-factor authentication you set up with Google Authenticator. Open the Google Authenticator app on your phone, find the correct account, and note the number ...

Up until now, your Google Authenticator entries were tied to your phone's hardware, meaning you lost them if you lost your phone. No more!

What is the security vulnerability in Google’s 2FA? In short, the network traffic used to sync the secrets in Google Authenticator is not end-to-end encrypted.

The Google Authenticator app used to store one-time access codes for account security now supports backups and syncing across devices using a Google Account, Google announced today.

How to Add an Account to Google Authenticator You need two things: Google's authenticator app and a code from the account you want to add to the app (Facebook, Amazon, your bank, etc.).