What is AWS Single Sign-On? – AWS Single Sign-On

AWS Single Sign-On is a cloud-based single sign-on (SSO) service that makes it easy to centrally manage SSO access to all of your AWS accounts and cloud applications. Specifically, it helps you manage SSO access and user permissions across all your AWS accounts in AWS Organizations. AWS SSO also helps you manage access and permissions to commonly used third-party software as a service (SaaS …

https://docs.aws.amazon.com/singlesignon/latest/userguide/what-is.html