What is MFA? Multi-factor authentication (MFA) is a method of authentication that requires the use of more than one verification method and adds a second layer of security to user sign-ins and transactions. You can choose the following verification methods:
A randomly generated pass code (Microsoft Authenticator App or SMS) A phone call A smart card (virtual or physical) A biometric device /
Enable MFA When you don’t use MFA, but want to enable this.