IAM Policies
Explore IAM policies to understand how AWS controls and manages access to resources. Learn the differences between identity-based and resource-based policies, their structures, and their roles in securing AWS environments. This lesson helps you grasp the core elements of IAM policies for effective resource permission management.
We'll cover the following...
An IAM policy is a JSON document attached either to an IAM entity (such as a user or role) or to an AWS resource. It defines the scope of permissions that the principal entity has for accessing the resource securely.
Types of IAM policies
Based on their usage, IAM has six types of policies. These types are as follows:
Identity-based policies: Define permissions of IAM identities. These are attached with IAM identities.
Resource-based policies: Define the access that an entity has to a specific AWS resource. These are attached directly to the AWS resource itself (such as an Amazon S3 bucket or a KMS key) rather than to an IAM identity.
Permissions ...