Organization Units

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This lesson provides an introductory overview of AWS Organization Units (OUs) and their role in creating a structured and scalable multi-account environment. Learners will understand how OUs help segregate accounts based on operational needs, governance requirements, and workload isolation.

Key Areas Covered

1. Infrastructure Organizational Units

   • Backup OU:

     • Dedicated for managing backup and recovery operations across accounts.

     • Ensures compliance with data retention policies.

   • SharedServices OU:

     • Contains shared resources such as networking or central IT services that multiple accounts utilize.

2. Security Organizational Units

   • SecurityTooling OU:

     • Hosts security-related services and tools, such as AWS Security Hub and GuardDuty, for centralized monitoring.

   • LogArchive OU:

     • Centralized location for storing logs from all accounts to ensure auditability and compliance.

3. Workload and Sandbox Organizational Units

   • Workload Accounts OU:

     • Contains production and non-production workload accounts, supporting isolation and governance for business-critical applications.

   • Sandbox Accounts OU:

     • Designated for experimentation and testing. Isolated from production environments to prevent unintentional disruptions.

Key Learning Objectives

• Understand the Purpose of OUs:

  • Learn how OUs enhance security, operational control, and account isolation within an AWS multi-account structure.

• Explore Governance Features:

  • Explore how OUs interact with tools like Service Control Policies (SCPs) and Tag Policies to enforce organizational rules and best practices.

• Leverage Use Cases:

  • Real-world scenarios demonstrate how organizations use OUs for scalability, compliance, and operational efficiency.

Learning Outcomes

By the end of this lesson, learners will be able to:

1. Understand the Purpose and Structure of Organizational Units (OUs):

   • Learn the foundational concepts of AWS Organizational Units and their role in building a structured, scalable multi-account environment.

   • Recognize how OUs contribute to security, operational control, and workload isolation.

2. Identify Key Types of OUs and Their Functions:

   • Understand the purpose of Backup OU, SharedServices OU, SecurityTooling OU, and LogArchive OU in ensuring operational efficiency and compliance.

   • Explore how Workload Accounts OU and Sandbox Accounts OU support workload isolation and governance.

3. Leverage Governance Features with OUs:

   • Gain insights into how OUs interact with AWS governance tools like Service Control Policies (SCPs) and Tag Policies.

   • Learn to enforce organizational rules and best practices across accounts using these governance tools.

4. Apply OUs to Real-World Use Cases:

   • Explore practical scenarios showcasing how organizations utilize OUs for scalability, compliance, and centralized operations.

   • Understand the benefits of segregating accounts for specific purposes like testing, production workloads, and security.

5. Design Scalable and Efficient Multi-Account Structures:

   • Learn best practices for structuring OUs to support business-critical applications, compliance requirements, and experimentation environments.

Benefits of the Lesson

1. Comprehensive Understanding of OUs

   • Gain foundational knowledge of AWS Organizational Units and their role in building a scalable and secure multi-account setup.

2. Enhanced Governance and Compliance

   • Learn how to use OUs in combination with SCPs and Tag Policies to enforce consistent rules and ensure regulatory compliance.

3. Operational Efficiency

   • Discover how segregating accounts into specialized OUs simplifies management and enhances operational control.

4. Improved Security Posture

   • Understand how SecurityTooling and LogArchive OUs centralize monitoring and ensure auditability across accounts.

5. Scalability for Diverse Workloads:

   • Learn to design multi-account structures that scale with organizational growth while maintaining workload isolation and governance.

6. Practical Insights from Real-World Use Cases:

   • Explore actionable examples of how businesses use OUs to enhance efficiency, security, and compliance.

7. Readiness for Advanced AWS Multi-Account Strategies:

   • Establish a strong foundation for understanding and implementing more advanced multi-account strategies using AWS Organizations.

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