The efficiency of Microsoft. Or how the Microsoft MFA system almost brought me to a complete nervous breakdown in und…

TL, DR: If you have MFA enabled on your Microsoft account, this automatically adds your phone numberas a sign-in alias, supplementing an attack surface to your account. Attempting to remedy this issue by limiting your phone number to only be used during MFA removes your phone number from the MFA backend instead while leaving it on your account.

Link: The efficiency of Microsoft. Or how the Microsoft MFA system almost brought me to a complete nervous breakdown in und…
via kgizdov.medium.com

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