5.2.3. AWS Security Hub (Centralized Security Findings)
First Principle: AWS Security Hub fundamentally provides a centralized, comprehensive view of your security alerts and posture across multiple AWS accounts and integrated services, simplifying compliance and streamlining security operations.
For security specialists, managing security findings and alerts from various AWS services (e.g., GuardDuty, Inspector, Macie) and third-party tools can be challenging. AWS Security Hub aggregates these findings.
AWS Security Hub is a cloud security posture management (CSPM) service that provides a comprehensive view of your security alerts and security posture across your AWS accounts.
Key Features of AWS Security Hub:
- Centralized Findings Aggregation: Collects and normalizes security findings from:
- Other AWS services (Amazon GuardDuty, Amazon Inspector, Amazon Macie, AWS Config).
- Integrated third-party security products.
- Custom findings.
- Security Posture Management: Automatically performs security checks against AWS security best practices and industry standards (e.g., CIS AWS Foundations Benchmark).
- Actionable Insights: Provides a prioritized list of findings, helping you identify and focus on the most critical security issues.
- Compliance Standards Monitoring: Continuously monitors your compliance with various industry standards and regulations.
- Automated Remediation: Findings can be routed to Amazon EventBridge to trigger automated remediation actions (e.g., via AWS Lambda or AWS Systems Manager Automation).
- Multi-Account Support: Can be enabled across multiple accounts in AWS Organizations to provide a centralized view across the entire enterprise.
Scenario: You are responsible for the security posture of a large organization with multiple AWS accounts. Security alerts are scattered across various AWS services (GuardDuty, Inspector) and different accounts, making it difficult to get a holistic view and prioritize issues.
Reflection Question: How does AWS Security Hub, by fundamentally providing a centralized, comprehensive view of security alerts and posture across multiple AWS accounts and integrated services, simplify compliance and streamline security operations for enterprises?