Usually, every code is only valid for 30 seconds) Microsoft Authenticator I hadn’t, so here we are.įirst, let’s cover some of the abbreviations which I’m going to use in this article.ĢFA = Second Factor Authentication (Password is not enough, you need to either enter a one time code or verify a login in a mobile app) MFA = Multi Factor Authentication (Pretty much the same as 2FA, the term is primarily used by Microsoft) OTP = One Time Password (Usually, a 6 to 8 digit long code received by email or SMS which can only be used once) TOTP = Time Based One Time Password (Usually, a 6 to 8 digit long code which gets generated (and hashed against the current time) by an app.
This sparked a private discussion between Andrés Gorzelany and me where he asked me if I had written a blog post about this already. How To Handle Password and 2FA Madness Like a ProĮvery once in a while, I come across a random Twitter conversation where people share their struggles and frustrations about the current state of 2FA apps and migrating those codes to a new phone.
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