how to hermetic disabling sms and voice call as a second authenticator in MFA for all tenant?

Lior Tenne 0 Reputation points


From a security standpoint, I would like to disable the option for users to enable SMS and Voice Call as a secondary factor after entering their password.

I have disabled them on the Authentication Methods | Policies page, but users can still configure them as factors. Is there another location where I need to make this configuration?

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Microsoft Authenticator
Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
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