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Incident Classification

The organization shall establish an incident classification schema that enables consistent categorization of security incidents based on severity, impact, and type. Classification shall include definitions of incident types, severity levels, impact criteria, and escalation thresholds, applied consistently with classification results documented.

Requirement ID
INC-001-R005
Parent Control
Domain Code

Requirement Details & Guidance

INC-001-R005 · INC-001
Why This Requirement Exists

This requirement exists to categorize incidents consistently according to type, severity, and impact and to ensure security incidents are handled consistently, promptly, and with clear accountability.

Implementation Guidance

Establish a documented process for categorize incidents consistently according to type, severity, and impact. Define accountable roles, inputs and outputs, decision criteria, approval or escalation points, timeframes where applicable, evidence requirements, monitoring, reporting, review, and exception handling. Integrate the process with security operations, risk management, business continuity, legal, compliance, communications, and technology operations as appropriate.

Practical Application & Audit Readiness

INC-001-R005 · Field Guidance

Business Examples

    Common Audit Findings

      Common Mistakes

        Best Practices & Ownership

        INC-001 · Recommended Approach

        Recommended Practices

          Typical Owner

          Cross-Mapped Regulatory Frameworks

          Harmonized Control Mappings
          FRAMEWORK CODE FRAMEWORK NAME & DETAILS FAMILY / CATEGORY VERSION ACTION
          CERT-IN CERT-In Directions The CERT-In Directions issued under India’s Inform... Clause: Annexure I – Types of cyber security incidents mandatorily reportable to CERT-In
          India
          Direction
          v2022 View →
          CIS-V8 CIS Controls CIS Controls are a prioritized set of cybersecurit... Clause: Control 17 – Incident Response Management: 17.9 – Establish and Maintain Security Incident Thresholds
          CIS
          Best Practice
          vv8 View →
          COBIT2019 COBIT COBIT is an enterprise governance and management f... Clause: 4.4 – Deliver, Service and Support (DSS) > DSS02 – Managed Service Requests and Incidents > DSS02.01 – Define classification schemes for incidents and 4.4 – Deliver, Service and Support (DSS) > DSS05 – Managed Security Services > DSS05.07 – Manage vulnerabilities and monitor the infrastructure for
          COBIT
          Governance Framework
          v2019 View →
          DORA Digital Operational Resilience Act The EU Digital Operational Resilience Act establis... Clause: Article 17(1) – ICT-related incident management process to detect, manage and notify incidents Article 11(2)(b) – Response and resolution of ICT-related incidents and prioritisation of recovery Article 11(2)(c) – Containment measures and response/recovery procedures for ICT incidents
          EU
          Regulation
          vCurrent View →
          GDPR General Data Protection Regulation (GDPR) The General Data Protection Regulation is a bindin... Clause: Article 32(1) – Security of processing; Article 33(1) – Notification of a personal data breach to the supervisory authority; Article 34(1) – Communication of a personal data breach to the data subject
          EU
          Regulation
          vCurrent View →
          HIPAA Health Insurance Portability and Accountability Act HIPAA is a U.S. federal law supported by implement... Clause: § 164.308(a)(12) Standard: Security incident procedures
          US
          Law
          vCurrent View →
          IRDAI IRDAI Information & Cyber Security Guidelines IRDAI information and cyber-security requirements... Clause: §2.10-3.2 – Incident recording and classification
          India
          Guideline
          vLatest View →
          ISO22301 ISO/IEC 22301 ISO 22301 specifies requirements for a Business Co... Clause: 8.4.1 – General; 8.4.2 – Response structure; 8.4.5 – Recovery
          ISO
          Standard
          v2019 View →
          NIS2 NIS2 Directive The NIS2 Directive establishes EU-wide cybersecuri... Clause: Article 21(2)(b) – Incident handling
          EU
          Directive
          vCurrent View →
          NIST-CSF NIST Cybersecurity Framework (CSF) The NIST Cybersecurity Framework provides high-lev... Clause: RS.MA – Incident Management | RS.MA-03 – Incidents are categorized and prioritized
          NIST
          Framework
          v2 View →
          NIST80053 NIST SP 800-53 NIST SP 800-53 Rev. 5 presents control families, i... Clause: 3.8 – INCIDENT RESPONSE; IR-4 – INCIDENT HANDLING, IR-5 – INCIDENT MONITORING
          NIST
          Control Catalog
          vRev. 5 View →
          NPCI-ISR NPCI Information Security Requirements NPCI information-security requirements define cont... Clause: Security Measures / Controls; Incident Management – Investigating
          India
          Standard
          vLatest View →
          PCI-DSS PCI DSS PCI DSS is an industry security standard maintaine... Clause: 12.10.1 – An incident response plan exists and is; 12.10.2 – At least once every 12 months, the security; 12.10.3 – Specific personnel are designated to be; 12.10.4 – Personnel responsible for responding to; 12.10.5 – The security incident response plan; 12.10.6 – The security incident response plan is; 12.10.7 – Incident response procedures are in place,
          PCI
          Standard
          v4 View →
          RBI-CSF RBI Cyber Security Framework / Master Directions RBI cyber-security requirements and directions set... Clause: 19) Incident Response & Management – 19.1 Board/Top Management-approved incident response programme; 19) Incident Response & Management – 19.2 Written incident-response procedures, roles, scenarios, situational awareness and stakeholder coordination
          India
          Regulation
          vLatest View →
          SEBI-CSCRF SEBI Cyber Security & Cyber Resilience Framework SEBI’s Cybersecurity and Cyber Resilience Framewor... Clause: 5.1 RS.MA: Incident Management; 5.2 RS.CO: Incident Response Reporting and Communication
          India
          Regulation
          vLatest View →
          SOC2 SOC 2 Trust Services Criteria SOC 2 is an independent examination and reporting... Clause: CC7.4 – System Operations – The entity responds to identified security incidents by executing a defined incident-response program to understand, contain, remediate, and communicate security incidents, as appropriate.
          AICPA
          Audit Framework
          vLatest View →

          Parent Domain Context

          Governance Domain Baseline
          Domain Name:
          Incident Management (INC)
          Purpose:
          To effectively detect, respond to, and recover from security and privacy incidents.
          Scope:
          Enterprise

          Parent Control Context

          Control Baseline
          Control Name:
          Incident Response Program (INC-001)
          Summary:
          Establishes incident response program including governance, policy, plan, roles, classification, metrics, reporting, review, and continuous improvement for security incident management.
          Business Description:
          Establish and maintain an enterprise incident response program, including governance, policies, plans, roles, responsibilities, and lifecycle management for cybersecurity incidents.