What is AWS SSO?
AWS SSO is another IDaaS capability available from AWS, similar in some regards to Amazon Cognito. Whereas Amazon Cognito provides application identity capabilities, AWS SSO facilitates centralized administration for federated access to AWS accounts, as well as general identity provider capabilities. AWS SSO offers free account management, authentication services, and a strong authentication capability for AWS accounts and applications managed under an AWS organization. AWS SSO users can authenticate to one or more AWS accounts using either accounts and credentials managed by AWS SSO itself, or through accounts synched from an external authoritative source, such as an enterprise-managed directory and identity provider.
We mentioned that one of the primary use cases of AWS SSO was centralized user management and federated authentication to all AWS accounts within an AWS organization. We discussed AWS Organizations briefly at the end of Chapter 3, IAM User Management...