Attach AWS IAM Policies: Step-by-Step Guide

Introduction

You manage access in AWS by creating policies and attaching them to IAM identities (users, groups of users, or roles) or AWS resources. A policy is an object in AWS that, when associated with an identity or resource, defines their permissions. AWS evaluates these policies when an IAM principal (user or role) makes a request. Permissions in the policies determine whether the request is allowed or denied. Most policies are stored in AWS as JSON documents. AWS supports six types of policies: identity-based policies, resource-based policies, permissions boundaries, Organizations SCPs, ACLs, and session policies.

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Create IAM Policies

Open the AWS Management Console and navigate to the Identity and Access Management (IAM).
Click on Policies from the left navigation panel.
Click Create policy.
Choose S3 from the down under Service.
Click All list actions under Access level.
Select All under Resources.
Click Next.
Write a suitable policy name.
Click Create policy.