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04. AWS Firewall Manager Overview

Centralize and automate security rule management across all accounts in your AWS Organization.

🧩 1. What It Does​

AWS Firewall Manager lets you:

  • Manage security rules across multiple AWS accounts centrally.
  • Ensure consistent protection for existing and future resources.
FeatureDescription
Centralized ManagementOne place to manage security for all accounts in an AWS Organization.
Automatic Rule EnforcementApplies policies to current & newly created accounts/resources.
Multi-Service SupportManages rules for:
• VPC Security Groups (most exam-relevant)
• AWS WAF
• AWS Shield Advanced
• AWS Network Firewall

🧠 Exam Tip​

If you see a question about managing Security Groups across multiple AWS accounts,
✅ Answer: AWS Firewall Manager


✅ Summary​

  • Centralized security management for all org accounts.
  • Enforces rules automatically across new/existing resources.
  • Works with WAF, Shield, Network Firewall, and especially VPC Security Groups.