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.

How to take a backup of Google Authenticator Google Authenticator keeps your account safe with a time-based one-time password (TOTP). It stores the codes in the cloud for easy access.

Google Authenticator now syncs one-time codes with your account, so you're not stuck if you lose your device.

Released on Monday for iOS and Android, the latest version of Google Authenticator lets you back up and sync your one-time 2FA codes to your Google account via the cloud.

Google isn’t the only firm offering 2FA sign-in codes to provide backups. Since 2019, Microsoft has allowed people to use a “backup and restore” tool for its Microsoft Authenticator app.

Earlier this week, Google updated its Authenticator app to enable the backup and syncing of 2FA codes across devices using a Google Account. Now an examination by Mysk security researchers has ...