Deploy AWS Security Hub, backed by AWS Config, to aggregate findings from GuardDuty, Inspector, Macie, Firewall Manager, and Prowler across multi-account AWS Organizations, enable standards like CIS AWS Foundations and PCI DSS, and automate remediation via EventBridge and Lambda. Use for centralizing AWS compliance monitoring or executive compliance dashboards; not for threat detection (GuardDuty) or data classification (Macie).