This document outlines the top 10 IAM best practices for securing an AWS environment: 1. Create individual users to assign unique credentials and permissions to each user. 2. Manage permissions with groups to easily assign and update permissions for multiple users. 3. Grant least privilege by identifying minimum required permissions and avoiding overly permissive policies. 4. Configure a strong password policy to protect credentials. 5. Enable MFA for privileged users to supplement passwords with one-time codes for authentication. 6. Use IAM roles for EC2 instances for easy credential management and automatic rotation. 7. Leverage IAM roles to securely share access across accounts or users. 8. Rotate security credentials regularly as a normal