BSI C5 · Control SIM-01 · Priority: high · Component: Security Incident Management

What this control covers

Documents incident management policies per SP-01, defining classification, escalation, and CERT coordination. Ensures timely customer notification and effective response to incidents, protecting cloud customer data from security breaches.

Why it matters

Risk is the language an executive team understands; this control connects technical reality to board-level decisions and budget allocation.

How to implement

AWS

Codify the policy intent as SCPs, AWS Config conformance packs, and Security Hub standards so the cloud enforces what the document says.

Azure

Codify in Azure Policy initiatives (built-in regulatory compliance for CIS, ISO 27001, SOC 2, HIPAA) and assign at management-group level.

GCP

Org Policy Service for guardrails and Config Validator in CI to pre-check Terraform plans against policy as code (Rego).

GitHub

Subscribe to secret-scanning alerts and Dependabot security advisories; require triage SLAs by severity. For exposed secrets, rotate at the cloud provider FIRST then revoke at GitHub — order matters.

On-premises

Maintain a policy library with a documented review cadence (annual minimum); store in your GRC tool with attestation tracking. Map each policy to controls so an audit pull cites the exact policy clause.

Evidence to collect

  • policy_document — A signed, version-controlled policy stating leadership intent and the named owner.

Signed policy or standard documents the safeguard. Focus: Policy for security incident management.

Quick checklist

  • Risk — Cloud Customer Data / Security Incident Management
  • Security — Cloud Customer Data / Security Incident Management
  • Data — Cloud Customer Data / Security Incident Management
  • Policy — Cloud Customer Data / Security Incident Management

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