Transferring accounts from one device to another with Google Authenticator
Using 2SV, 2-Factor Authentication (2FA) or Multi-Factor Authentication (MFA) is critical to protecting your accounts from unauthorized access. With these mechanisms, users verify their identity through their password and an additional proof of identity, such as a security key or a passcode.
Google Authenticator makes it easy to use 2SV on accounts. In addition to supplying only a password when logging in, a user also enters a code generated by the Google Authenticator app on their phone. This is a safer alternative, used by millions of users, compared to passcodes via text message.
Users place their trust in Google Authenticator to keep their accounts safe. As a result, security is always a high priority. We made several explicit design decisions to minimize the attack surface while increasing the overall usability of the app.
- We ensured that no data is sent to Google’s servers during the transfer -- communication is directly between your two devices. Your 2SV secrets can’t be accessed without having physical access to your phone and the ability to unlock it.
- We implemented a variety of alerting mechanisms and in-app logs to make sure users are aware when the transfer function has been used.
You can find more information about the Google Authenticator and its usage guide
here.
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