The Wayback Machine - https://web.archive.org/web/20210813134200/https://docs.github.com/en/github/authenticating-to-github/keeping-your-account-and-data-secure/sudo-mode

Sudo mode

GitHub asks you for your password before you can modify your email address, authorize third-party applications, or add new public keys, or initiate other sudo-protected actions.

After you've performed a sudo-protected action, you'll only be asked to re-authenticate again after a few hours of inactivity. Every sudo-protected action resets this timer.

Sudo Mode Dialog

Further reading

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