Microsoft urges users to stop using phone-based multi-factor authentication

Catalin Cimpanu reports

Microsoft is urging users to abandon telephone-based multi-factor authentication (MFA) solutions like one-time codes sent via SMS and voice calls and instead replace them with newer MFA technologies, like app-based authenticators and security keys.

The warning comes from Alex Weinert, Director of Identity Security at Microsoft. For the past year, Weinert has been advocating on Microsoft’s behalf, urging users to embrace and enable MFA for their online accounts.

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