# Authentication and authorization for Amazon MSK APIs
<a name="security-iam"></a>

AWS Identity and Access Management (IAM) is an AWS service that helps an administrator securely control access to AWS resources. IAM administrators control who can be *authenticated* (signed in) and *authorized* (have permissions) to use Amazon MSK resources. IAM is an AWS service that you can use with no additional charge.

**Topics**
+ [How Amazon MSK works with IAM](security_iam_service-with-iam.md)
+ [Amazon MSK identity-based policy examples](security_iam_id-based-policy-examples.md)
+ [Service-linked roles for Amazon MSK](using-service-linked-roles.md)
+ [AWS managed policies for Amazon MSK](security-iam-awsmanpol.md)
+ [Troubleshoot Amazon MSK identity and access](security_iam_troubleshoot.md)