Multi-Factor Authentication (MFA) adds an important layer of security to Azure AD or Microsoft 365 accounts.  For many, the Microsoft Authenticator app provides the needed second-factor for MFA.  But that depends on a mobile device.  In some cases, an employer may want to use an alternative to a cell phone or mobile device for MFA.  This video looks at a Yubico Yubikey hardware token as an alternative to the Microsoft Authenticator app on a cell phone for Azure MFA.