Enforce MFA for federated IDPs

[Scott Koranda]

> We have an SP requires MFA for internal users(authenticate against our 
> internal IDP). Now we want users from other universities/institutions to 
> use this SP through federated IDPs. How do we enforce MFA for those 
> IDP/users? Is there a standard that helps the collaboration between SPs 
> and IDPs on MFA enforcement(like R&S, SIRTFI)?

https://refeds.org/profile/mfa

Scott K