Basics

Core IAM concepts: principals (users, roles, services), policies, the principle of least privilege, and access keys vs. IAM roles.

📄️What Is AWS IAM?

Understand IAM users, groups, roles, policies, the principle of least privilege, and why IAM roles are preferred over access keys for AWS services.

Create an IAM user with programmatic access, write a least-privilege S3 policy, attach a role to EC2, and prove the boundaries with the CLI.