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by Ciro Santilli (@cirosantilli, 37)

2FA app

 ... Area of technology Information technology Computer Software Computer security Multi-factor authentication
 0 By others on same topic  0 Discussions  Updated 2025-05-23  +Created 1970-01-01  See my version
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    • Google 2FA app token can be updated without checking the old 2FA 2FA app
    • Authy 2FA app

Google 2FA app token can be updated without checking the old 2FA

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2FA app
Ermm, as of February 2021, I was able to update my 2FA app token with the password alone, it did not ask for the old 2FA.
So what's the fucking point of 2FA then? An attacker with my password would be able to login by doing that!
Is it that Google trusts that particular action because I used the same phone/known IP or something like that?

Authy

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2FA app

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