AWS Cognito User Pool SAML - SCIM support

In this blog post walkthrough, we show you how to federate identities from Windows Server Active Directory to authenticate users into your web app by leveraging AWS services. The main AWS service that we’ll use for this purpose is Amazon Cognito.

ADFS integration with Cognito https://aws.amazon.com/blogs/mobile/building-adfs-federation-for-your-web-app-using-amazon-cognito-user-pools/

https://aws.amazon.com/premiumsupport/knowledge-center/cognito-ad-fs-saml/