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A wafrn woot (post) by @tinker@infosec.exchange saying “Microsoft Authenticator needs me to validate with Authenticator in order to log in with Authenticator to use it to authenticate another app with Authenticator. Here is the app telling me to open itself to validate itself with itself. #infosec #iHateComputers” It has a screenshot showing the microsoft authenticator app.

  • Trainguyrom@reddthat.com
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    2 days ago

    Usually a simple fix on their end. Verify something like your school ID, go to the O365 admin portal remove the old phone (don’t have to) and send out a QR code to scan on the new phone.

    It’s even easier than that. There’s a handy “reset MFA” button in the admin portal which deletes all existing MFA methods for the M365 account and prompts re-enrolling into MFA on the next user sign-in. It’s honestly the cleanest approach since one could potentially have old MFA methods saved for the account, so resetting cleans all of them up