How to recover Google auth after phone stolen?

How to recover Google auth after phone stolen?

57 pointsby keymasta130 comments

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  • Hacker News
  • All those times you logged in and were prompted to verify your backup email address, and when you set up 2FA and were given recovery codes, and when given the option to sync 2FA codes to another copy of the authenticator app: This Is Why.

    I'm sorry you're dealing with this - hopefully everyone else here can take it as a cautionary tale.

  • Doesn't help obviously if you already lost your phone, but I recommend anyone to use a third party authenticator app. Most services offer to scan a QR code to set up MFA, which can easily be backed up. Don't use Google/Microsoft authenticator apps directly. Personally I use Stratum, but any that allows export/import will do.
  • It's a good reminder to everyone who uses 2FA. Be sure you have multiple ways in for when your phone becomes unusable.
  • I had similar issues: https://news.ycombinator.com/item?id=45451567 (including my personal domain, Dropbox; my Apple account is still MIA...)

    We've all been reduced to a passphrase.

    When I've lobbed this scenario to the security managers/employees at these companies, they all give me a really great answer:

    Q: What happens if a sitting senator gets mugged and they have their printed 2fa codes sitting in their wallet?

    A: They have a special number they can call.

  • You're going to have more success working with the providers of the other accounts and services rather than Google. That means a lot more legwork on your part but banks and other online services all have processes to deal with lost passwords and 2FA devices. In some cases you may have to physically go somewhere with ID and other documents.

    Consider it a learning experience.

  • This is why my self-hosted Vaultwarden is my one password that I have to remember and requires no 2fa, which is the only important account that doesn't have 2fa.

    If I wake up in a bathtub missing a kidney I can still get to my passwords and 2fa sources stored with it. Some accounts require SMS (annoyingly) so I'd have to buy a phone but the auth and credit card numbers I need to do that are in Vaultwarden, too.

    I don't have good solutions now for OP (other than buy a new phone through your carrier and transfer the number). But everyone else do think through your personal DRP. Generate backup codes and put them somewhere safe, too.

    by mrj
  • If you don't have the authenticator backup codes and you didn't turn on cloud sync in the app, you might be out of luck.

    You can get a replacement SIM though and use it with a new phone, so the phone number recovery option should work.

  • Isn't there an SMS option? buy a new phone and have them send you an OTP via SMS.

    > once you're phone is gone, you are completely over with society?

    yes, I'm waiting for the Black-Mirror episode where someone drops their phone and basically dies, can't contact anyone, can't unlock or start their car, can't get an uber, can't pay for anything, can't navigate without gps, can't log into anything etc.

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