Product : Microsoft Corp, Azure Stack/1903, IaaS + PaaS
Feature : Multi-Factor Authentication, AAA, Security & Compliance
Content Owner:  Bhagyashri (Shri) Bhagvat
Summary
Multi-factor authentication can be configured in connected scenarios using Azure AD and disconnected scenarios using AD FS
Details
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-identity-overview