IAM (Identity and Access Management) is a critical AWS feature that allows you to securely manage access to your resources. The following are the key subjects you need to master about AWS IAM:
- Users: IAM enables you to create and manage users, which are objects that stand in for specific individuals or programs that need access to your AWS resources. You will discover how to add, edit, and remove users as well as how to give them permissions.
- Groups: You can combine numerous users into IAM groups to make managing their rights easier. You will discover how to build, manage, and grant permissions to groups.
- IAM roles let you grant permissions to unregistered entities. such as users from another account or an AWS service, are not part of your AWS account. You will discover how to add, edit, and remove roles.
- IAM policies specify what rights users, groups, and roles have in relation to your AWS resources. Additionally, you will discover how to leverage policy variables to make your policies more adaptable. You will also learn how to build, maintain, and apply policies.
- Multifactor Authentication (MFA): You can ask users to submit a second factor of authentication, such as a code produced by a mobile app, in addition to their password, to strengthen the security of your AWS services. You will discover how to manage and activate MFA for IAM users.
- Access Keys: To authenticate programmatic access to your IAM account, and resources on AWS. You will discover how to use IAM roles for EC2 instances and generate, maintain, and rotate access keys to safely access AWS resources.
- Best Practices: Lastly, you will learn about IAM best practices, including how to establish a strong password policy, enable logging, and use IAM roles whenever possible in place of access keys.
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