![Experience story that the backup code of Google's two-factor authentication application could not be generated by breaking the smartphone, this is the backup method - GIGAZINE Experience story that the backup code of Google's two-factor authentication application could not be generated by breaking the smartphone, this is the backup method - GIGAZINE](https://i.gzn.jp/img/2023/01/20/google-2fa-backup/00.jpg)
Experience story that the backup code of Google's two-factor authentication application could not be generated by breaking the smartphone, this is the backup method - GIGAZINE
![Facebook modifies two-factor authentication; adds support for third-party apps | Technology News - The Indian Express Facebook modifies two-factor authentication; adds support for third-party apps | Technology News - The Indian Express](https://images.indianexpress.com/2018/05/facebook-two-step-authentication-copy.jpg?w=414)
Facebook modifies two-factor authentication; adds support for third-party apps | Technology News - The Indian Express
Google two-factor authentication: Additional authentication options | IT Services: support, guidance and answers, University of York
![How to Enable Two-Factor Authentication or Two-Step Verification for Your Google Account - Guiding Tech How to Enable Two-Factor Authentication or Two-Step Verification for Your Google Account - Guiding Tech](https://www.guidingtech.com/wp-content/uploads/how-to-enable-two-factor-authentication-on-your-google-account-step-10.png)