Best practices for AWS Identity and Access Management

AWS Identity and Access Management (IAM) is a web service that helps you securely control access to your AWS resources. It enables you to create and manage AWS users and groups, and use permissions to allow and deny their access to AWS resources. Here are some best practices for using AWS IAM:

1. Use AWS Identity and Access Management (IAM) to create unique IAM users for everyone who needs access to your AWS resources. Do not share IAM user credentials.
2. Use AWS IAM roles to delegate access to your AWS resources. Roles are more secure than sharing long-term credentials because they can be designed to allow only the permissions needed to perform a specific task.
3. Use multi-factor authentication (MFA) for additional security. MFA requires users to provide a second form of authentication, such as a code sent to a phone, in addition to their password.
4. Use IAM policies to specify the permissions for your IAM users and roles. Review and update your IAM policies regularly to ensure they are still appropriate.
5. Use AWS Organizations to centrally manage multiple AWS accounts and apply policies across your organisation.
6. Use AWS Single Sign-On (SSO) to give users access to multiple AWS accounts and business applications with a single set of credentials.
7. Monitor your IAM activity using AWS CloudTrail and IAM event history. This can help you detect and respond to unauthorised access attempts.

By following these best practices, you can help ensure that your AWS resources are secure and that only authorised users can access them.