To protect against unauthorized access to a customer's account, Keeper also offers Two-Factor Authentication. Keeper uses something you know (your password) and something you have (the phone in your possession) to provide users extra security in the case where your master password or device is compromised. To do this, they generate TOTPs (time-based one-time passwords).
1. One option for 2FA on your Keeper account is SMS (text) or phone call. Keeper generates a 10-byte secret key using a cryptographically secure random number generator. This code is valid for about a minute, and is sent to the user by SMS (text message) or voice call.
2. An authentication application on your smartphone or mobile device is a second option for 2FA on your Keeper account. When using the Google Authenticator app on your mobile device, the Keeper server internally generates a QR code containing your secret key, and it is never communicated to a third party. Each time a user deactivates, then reactivates two-factor authentication, a new secret key is generated.
To activate Two-Factor Authentication, visit the Settings screen of the Keeper Web App.
For more information visit: https://keepersecurity.com/security.html#twoFactor
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