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That just sounds like 2FA working as intended to me.

Interesting take! Escalating the information being demanded to recover the account beyond that used to sign up is not something I can really get on board with.

That's what 2FA means though: once you enable it you need both factors to authenticate, whether or not you had them when you first signed up. I agree that if they required you to switch to 2FA at some point, even though it wasn't required when you signed up, that's abusive. But not being able to log in without your phone or other something-you-have credential is the whole point of 2FA.

How do folks recover when 2FA fails?

Edit: nevermind, I'm sure I'm wrong about this, and it's offtopic anyway. Apologies!

> How do folks recover when 2FA fails?

Reset codes, as in some entities will provide you with a page/image/etc. with ~10 codes on it when you enable 2FA, which can each be used once in place of the code generated by the 2FA token, letting you get into the account to, e.g. set up a new 2FA token/method.

Phone numbers aren't 2FA and are susceptible for this reason.

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