Originally Posted by archervanadin
How do you enable a 2 step authentication for Gmail?
Go there and go through the setup. Note the following:
1) When they say "lose your phone/these codes and you won't be able to access your account", THEY MEAN IT. If you lose Google Authenticator/the phone number you SMS to, your backup phone number, AND the codes they give you, you are BONED.
2) Any program or device that logs in directly to your account (Chrome Sync, Cloud Print, your phone, Trillian, PBXes, etc.) will need an application-specific password. There's instructions on how to do this, but you will not be able to retrieve said password once you have generated it and clicked the "hide password" button.
3) You will have to enter the generated code on your phone at each new browser you try to log in to your account from, both the first time, and every 30 days.
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