License needed for MFA with hardware token?

woelki Hello, how about the Authenticator app until the strategy is defined? I'm attaching a couple of links below for information about available versions of Azure Multi-Factor Authentication and their associated licenses.

Available versions of Azure Multi-Factor Authentication

https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-mfa-licensing#available-versions-of-azure-multi-factor-authentication

What authentication and verification methods are available in Azure Active Directory?
https://docs.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication-methods 

Enable passwordless sign-in with the Microsoft Authenticator app (preview)

https://docs.microsoft.com/en-us/azure/active-directory/authentication/howto-authentication-passwordless-phone