You can enable an additional option to protect a user account from unauthorized modification. If this option is enabled, modifying user account settings requires authorization of the user by using a one-time security code for two-step verification.
You can enable or disable account protection and modify settings of the protected user account if the following conditions are met:
To enable or disable account protection from unauthorized modification:
If two-step verification is disabled for all users, the Request authentication to verify permission to modify user accounts option will be ignored.
To disable account protection from unauthorized modification, select the Allow users to modify this account without additional authentication option.