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Separate 2FA OTP app from my password manager
(lemmy.world)
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this post was submitted on 26 Jul 2024
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Privacy
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Yes. If you use bitwarden, even if you pay for premium or host it yourself, don't keep them in the vault. Don't sync them over the internet. In case someone somehow gets into your password manager, at least the TOTP secured accounts will (most likely) stay safe. The recovery codes should stay offline and encrypted somewhere safe in your home. You probably also want to secure your BW account with a hardware key such as yubikey for additional security.
Not trying to be nitpicky, but 2FA only works over internet. Separating these two things has nothing to do with connectivity. Splitting them just give you security through obscurity in most cases because if something like bitwarden were to be compromised, there is almost certainly an overlap that could somehow get you access to other services protected by 2FA.
I’m pretty sure 2FA can work offline as well. You definitely don’t need an internet connection to perform 2FA with OTP codes.
No. 2FA as a functional protocol requires internet. No way around that considering the secured source needs to send updates to the app you referenced down to subsecond.
Maybe you're thinking of TOTP which does have a very small window where offline keys could work?
I obviously am speaking of TOTP. OP uses Bitwarden, which can only store TOTPs. And TOTPs do work offline as they only need the device's internal clock to work. As long as that is synced, TOTP will work.
That's not what the original comment references though
Indeed. Since it seems like that was too ambigious for you, I explicitly changed it to TOTP.
I mean, if you knew how most of the password managers worked, you also would've known this.
Edit: Furthermore, the 2FAs you speak of are proprietary solutions that can't even be added to password managers, so I assume you didn't even properly read anything.