AWS- Overview of AWS Identity Access Management (IAM) Free Tutorial Download
AWS Identity and Access Management (IAM) allows you to securely manage access to AWS services and resources. When using IAM, you can create, manage AWS users and groups, and use permissions to allow and deny access to their AWS resources.
IAM is a free provided feature of AWS account. You only pay for the use of other AWS services by your users.
To start using IAM, or if you are already registered with AWS, please visit the AWS Management Console and get started with IAM best practices.