AWS IAM Identity Center: Comprehensive Curriculum Overview

This curriculum provides a structured path for mastering AWS IAM Identity Center (formerly AWS Single Sign-On). It covers the transition from legacy SSO, integration with external identity providers, and multi-account access management within the AWS ecosystem.

## Prerequisites

Before beginning this curriculum, students should have a baseline understanding of the following AWS concepts:

• AWS IAM Fundamentals: Knowledge of Users, Groups, and Policies.
• The Principle of Least Privilege: Understanding why users should only have the minimum necessary access.
• AWS Global Infrastructure: Basic awareness of Regions and Accounts.
• IAM Roles: Understanding how roles are used by trusted entities (applications or services) instead of people.

[!IMPORTANT] A foundational knowledge of JSON policy structure and the AWS Root User security best practices is highly recommended.

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## Module Breakdown

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## Learning Objectives per Module

Module 1: Core Concepts & History

• Differentiate between the legacy AWS Single Sign-On and the modern AWS IAM Identity Center.
• Explain the role of IAM Identity Center in a centralized management environment.

Module 2: Identity Sources

• Describe how to connect on-premises directory services (like Microsoft Active Directory) to AWS.
• Identify valid third-party federated identity standards, specifically SAML 2.0.

Module 3: Multi-Account Management

• Configure Permission Sets to assign access across multiple AWS accounts within an organization.
• Understand how to use IAM Roles to allow federated identities to access backend resources like DynamoDB or S3.

Module 4: Security & Compliance

• Implement Multi-Factor Authentication (MFA) for privileged accounts.
• Understand the integration with AWS Secrets Manager for credential rotation and AWS Config for resource auditing.

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## Examples

Scenario 1: Hybrid Cloud Identity

An organization uses an on-premises Microsoft Active Directory. They want their IT team to use their existing corporate credentials to log into the AWS Management Console.

• Solution: Link the on-prem AD to AWS IAM Identity Center. Users log in once and gain access to their assigned AWS accounts without a separate AWS password.

Scenario 2: Mobile App Federation

A mobile application requires users to store data in an Amazon S3 bucket. The users authenticate via their Google accounts.

• Solution: Use a Federated Identity (SAML 2.0 or OIDC). The application assumes an IAM Role with a policy allowing s3:PutObject access for that specific user identity.

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## Success Metrics

To demonstrate mastery of this curriculum, the learner should be able to:

• [!TIP] Metric 1: Successfully provision a user in the IAM Identity Center directory and assign them a "Read-Only" permission set across two different AWS accounts.

• Metric 2: Correctly identify the difference between a User (with credentials) and a Role (trusted entity without long-term credentials) in an exam scenario.
• Metric 3: Configure a manual or automated password rotation policy using AWS Secrets Manager to protect application-level secrets.

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## Real-World Application

In professional environments, AWS IAM Identity Center is the standard for enterprise-scale access. Mastery of this service prepares you for the following roles:

1. Cloud Security Engineer: Designing secure access patterns and ensuring that the "Blast Radius" of a compromised credential is minimized.
2. IAM Administrator: Managing thousands of users across hundreds of AWS accounts using a single source of truth (Identity Source).
3. Compliance Officer: Using tools like AWS Artifact and AWS Audit Manager alongside Identity Center to ensure the company meets regulatory standards for access control.

Comparison Table: IAM vs. IAM Identity Center