AWS Security Hub

  • AWS Security Hub provides a comprehensive view of your security state within AWS and your compliance with security industry standards and best practices.
  • Features
    • You now have a single place that aggregates, organizes, and prioritizes your security alerts, or findings, across multiple accounts, AWS partner tools, and AWS services such as Amazon GuardDuty, Amazon Inspector, Amazon Macie, AWS IAM Access Analyzer, and AWS Firewall Manager.
    • You can run automated, continuous account level configuration and compliance checks based on industry standards and best practices, such as the Center for Internet Security (CIS) AWS Foundations Benchmark. These checks provide a compliance score and identify specific accounts and resources that require attention.
    • AWS Security Hub compliance checks also leverage configuration items recorded by AWS Config.
    • Integrated dashboards consolidate your security findings across accounts to show you their current security and compliance status.
    • You can send security findings to ticketing, chat, email, or automated remediation systems through integration with Amazon CloudWatch Events.
    • All findings are stored for at least 90 days within AWS Security Hub.
  • How It Works

AWS Security Hub

  • Security Hub receives and processes only those findings from the same Region where you enabled Security Hub in your account.
  • Concepts
    • AWS Security Finding Format – A standardized format for the contents of findings that Security Hub aggregates or generates. 
    • Control – A safeguard or countermeasure prescribed for an information system or an organization designed to protect the confidentiality, integrity, and availability of its information and to meet a set of defined security requirements. A security standard consists of controls.
    • Custom action – A Security Hub mechanism for sending selected findings to CloudWatch Events. 
    • Finding – The observable record of a compliance check or security-related detection.
    • Insight – A collection of related findings defined by an aggregation statement and optional filters. An insight identifies a security area that requires attention and intervention.
    • Compliance standards – Sets of controls that are based on regulatory requirements or best practices.
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  • Compliance standard vs. Control vs. Compliance check
    • A compliance standard is a collection of controls based on regulatory frameworks or industry best practices. Security Hub conducts automated compliance checks against controls. Each compliance check consists of an evaluation of a rule against a single resource. A single control may involve multiple resources and a compliance check is performed against each resource.
    • AWS Security Hub uses a service-linked role that includes the permissions and trust policy that Security Hub requires to detect and aggregate findings, and to configure the requisite AWS Config infrastructure needed to run compliance checks. In order for Security Hub to run compliance checks in an account, you must have AWS Config enabled in that account.
  • Pricing
    • AWS Security Hub is priced based on the quantity of compliance checks and the quantity of finding ingestion events.
    • Pricing is on a monthly per account, per region basis.

Note: If you are studying for the AWS Certified Security Specialty exam, we highly recommend that you take our AWS Certified Security – Specialty Practice Exams and read our Security Specialty exam study guide.

Sources:
https://aws.amazon.com/about-aws/whats-new/2018/11/introducing-aws-security-hub/
https://aws.amazon.com/security-hub/
https://docs.aws.amazon.com/securityhub/latest/userguide/what-is-securityhub.html
https://aws.amazon.com/security-hub/faqs/

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