implementing-aws-security-hub

This skill covers deploying AWS Security Hub as a centralized cloud security posture management platform that aggregates findings from GuardDuty, Inspector, Macie, and third-party tools. It details enabling security standards like CIS AWS Foundations Benchmark, configuring automated remediation, and building executive dashboards for compliance tracking across multi-account AWS organizations.

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name	implementing-aws-security-hub
description	This skill covers deploying AWS Security Hub as a centralized cloud security posture management platform that aggregates findings from GuardDuty, Inspector, Macie, and third-party tools. It details enabling security standards like CIS AWS Foundations Benchmark, configuring automated remediation, and building executive dashboards for compliance tracking across multi-account AWS organizations.
domain	cybersecurity
subdomain	cloud-security
tags	["aws-security-hub","cspm","compliance-automation","security-standards","finding-aggregation"]
version	1.0.0
author	mahipal
license	Apache-2.0
nist_csf	["PR.IR-01","ID.AM-08","GV.SC-06","DE.CM-01"]

Implementing AWS Security Hub

When to Use

When establishing a centralized security findings dashboard across multiple AWS accounts
When enabling automated compliance checks against CIS, PCI-DSS, NIST, or AWS Foundational Security Best Practices
When integrating findings from GuardDuty, Inspector, Macie, and third-party security tools
When building automated remediation workflows for recurring security misconfigurations
When preparing compliance evidence for auditors requiring continuous posture monitoring

Do not use for real-time threat detection (see detecting-cloud-threats-with-guardduty), for Azure compliance monitoring (see securing-azure-with-microsoft-defender), or for deep vulnerability scanning of container images (see securing-container-registry).

Prerequisites

AWS Organization with a designated security administrator account
AWS Config enabled in all target accounts and regions
GuardDuty, Inspector, and Macie activated for finding integration
IAM permissions for securityhub:* and config:* in the administrator account

Workflow

Step 1: Enable Security Hub with Standards

Activate Security Hub in the delegated administrator account and enable security standards. AWS Security Hub CSPM supports CIS AWS Foundations Benchmark v5.0, AWS Foundational Security Best Practices, PCI DSS v3.2.1, and NIST SP 800-53.

# Enable Security Hub with standards
aws securityhub enable-security-hub \
  --enable-default-standards \
  --tags '{"Environment":"production","ManagedBy":"security-team"}'

# Enable CIS AWS Foundations Benchmark v5.0
aws securityhub batch-enable-standards \
  --standards-subscription-requests '[
    {"StandardsArn": "arn:aws:securityhub:::ruleset/cis-aws-foundations-benchmark/v/5.0.0"},
    {"StandardsArn": "arn:aws:securityhub:us-east-1::standards/aws-foundational-security-best-practices/v/1.0.0"},
    {"StandardsArn": "arn:aws:securityhub:us-east-1::standards/pci-dss/v/3.2.1"}
  ]'

# Verify enabled standards
aws securityhub get-enabled-standards \
  --query 'StandardsSubscriptions[*].[StandardsArn,StandardsStatus]' --output table

Step 2: Configure Multi-Account Aggregation

Designate a Security Hub administrator and automatically enroll all organization member accounts. Configure cross-region aggregation to consolidate findings into a single region.

# Designate delegated admin
aws securityhub enable-organization-admin-account \
  --admin-account-id 111122223333


aws securityhub update-organization-configuration \
  --auto-enable \
  --organization-configuration 


aws securityhub create-finding-aggregator \
  --region-linking-mode ALL_REGIONS

# List available product integrations
aws securityhub describe-products \
  --query 'Products[*].[ProductName,CompanyName,ProductSubscriptionResourcePolicy]' --output table

# Enable specific integrations
aws securityhub enable-import-findings-for-product \
  --product-arn "arn:aws:securityhub:us-east-1::product/aws/guardduty"

aws securityhub enable-import-findings-for-product \
  --product-arn "arn:aws:securityhub:us-east-1::product/aws/inspector"

# Import custom findings using ASFF format
aws securityhub batch-import-findings --findings '[{
  "SchemaVersion": "2018-10-08",
  "Id": "custom-finding-001",
  "ProductArn": "arn:aws:securityhub:us-east-1:123456789012:product/123456789012/default",
  "GeneratorId": "custom-scanner",
  "AwsAccountId": "123456789012",
  "Types": ["Software and Configuration Checks/Vulnerabilities/CVE"],
  "Title": "Unpatched OpenSSL in production ALB backend",
  "Description": "CVE-2024-12345 detected on backend instances",
  "Severity": {"Label": "HIGH"},
  "Resources": [{"Type": "AwsEc2Instance", "Id": "arn:aws:ec2:us-east-1:123456789012:instance/i-0abc123"}]
}]'

# Create a custom action for remediation
aws securityhub create-action-target \
  --name "IsolateInstance" \
  --description "Isolate EC2 instance by replacing security groups" \
  --id "IsolateInstance"

# EventBridge rule for automated remediation of specific controls
aws events put-rule \
  --name SecurityHubAutoRemediate \
  --event-pattern '{
    "source": ["aws.securityhub"],
    "detail-type": ["Security Hub Findings - Imported"],
    "detail": {
      "findings": {
        "Compliance": {"Status": ["FAILED"]},
        "Severity": {"Label": ["CRITICAL", "HIGH"]},
        "GeneratorId": ["aws-foundational-security-best-practices/v/1.0.0/S3.1"]
      }
    }
  }'

# Get security score for a standard
aws securityhub get-security-control-definition \
  --security-control-id "S3.1"

# List all failed controls with counts
aws securityhub get-findings \
  --filters '{
    "ComplianceStatus": [{"Value": "FAILED", "Comparison": "EQUALS"}],
    "RecordState": [{"Value": "ACTIVE", "Comparison": "EQUALS"}]
  }' \
  --sort-criteria '{"Field": "SeverityLabel", "SortOrder": "desc"}' \
  --max-items 50

Term	Definition
Security Standard	Pre-packaged set of controls mapped to compliance frameworks such as CIS, PCI-DSS, NIST 800-53, and AWS best practices
Security Control	Individual automated check that evaluates a specific AWS resource configuration against a security requirement
ASFF	AWS Security Finding Format, a standardized JSON schema for normalizing findings from all integrated security products
Compliance Score	Percentage of controls in a passing state within a given security standard, calculated per account and aggregated at the organization level
Finding Aggregator	Cross-region mechanism that consolidates findings from all enabled regions into a single administrator region
Custom Action	User-defined action that can be triggered from the Security Hub console to invoke EventBridge rules for manual or automated response

AWS Security Hub Compliance Report
====================================
Organization: acme-corp
Administrator Account: 111122223333
Report Date: 2025-02-23
Standards Enabled: CIS v5.0, AWS FSBP v1.0, PCI DSS v3.2.1

COMPLIANCE SCORES:
  CIS AWS Foundations Benchmark v5.0: 78%
  AWS Foundational Security Best Practices: 85%
  PCI DSS v3.2.1: 72%

TOP FAILED CONTROLS (by account count):
  [S3.1]   Block public access settings enabled      - 23/50 accounts FAILED
  [CT.1]   CloudTrail multi-region enabled            - 12/50 accounts FAILED
  [IAM.4]  Root account has no access keys            -  3/50 accounts FAILED
  [EC2.19] Security groups restrict unrestricted ports- 31/50 accounts FAILED
  [RDS.3]  RDS encryption at rest enabled             - 18/50 accounts FAILED

FINDING SUMMARY:
  Total Active Findings: 1,247
  Critical: 34 | High: 189 | Medium: 567 | Low: 457
  Auto-Remediated This Month: 89
  Suppressed: 23