AWS Access management and Identity is Termed as Web service. It Guides you securely handle access to AWS Resources. We have to Use IAM to handle who is signed in and has permissions to make use of Resources. In first when you start your Aws account, you will start with a one sign in Identity has total access to all Aws Services and Resources in account. As a matter of fact it seen as future of AWS Identity and Access Management.
This Identity is known as AWS Online Training account root user and is accessed by signing in with Email Address and password used to sign in account. We prefer you that not to use root user for your Everyday works in the administrative. In the meantime you have best user to design your first IAM user. After that lock the Root user login and password and Implement them operate only on some accounts and Service managements works. IAM is also known as Identity access management.