ISO 27001 Glossary

What are Interested Parties in ISO 27001?

Overview

Interested Parties are individuals, groups, or organizations that can affect, be affected by, or perceive themselves to be affected by your ISMS. Identifying interested parties is a foundational requirement in ISO 27001:2022 Clause 4.2 that shapes your ISMS scope, objectives, and priorities.

Understanding interested parties helps you define security requirements that balance stakeholder needs and expectations with practical security controls.

Interested Parties in Practice

ISO 27001:2022 requires you to determine:

  • Who the interested parties relevant to your ISMS are

  • Their requirements related to information security

  • Which requirements will be addressed through your ISMS

This analysis informs your ISMS scope (Clause 4.3), information security objectives (Clause 6.2), and which Annex A controls you implement.

Interested parties analysis is not a one-time exercise. You must review and update it as part of your management review when circumstances change.

Categories of Interested Parties

Internal Interested Parties

Stakeholders within your organization:

  • Top management: Requires assurance that information security supports business objectives and protects the organization from legal/financial risk

  • Employees: Need secure systems to perform their jobs and expect protection of their personal data

  • IT and security teams: Responsible for implementing and maintaining controls

  • Legal and compliance: Ensure regulatory obligations are met

  • Business unit leaders: Balance security requirements with operational efficiency

External Interested Parties

Stakeholders outside your organization:

  • Customers: Require protection of their data and may mandate specific controls (e.g., encryption, access restrictions)

  • Suppliers and partners: Need secure data exchange and may have contractual security requirements

  • Regulators: Enforce compliance with laws like GDPR, HIPAA, or sector-specific regulations

  • Certification bodies: Audit your ISMS against ISO 27001:2022 requirements

  • Shareholders/investors: Expect protection of business continuity and reputation

  • Insurance providers: May require specific controls for cyber insurance coverage

Different interested parties may have conflicting requirements. Document how you prioritize and balance these in your ISMS scope and risk treatment decisions.

Identifying Requirements

For each interested party, determine their information security needs:

Example - Customers:

  • Requirement: Protect customer personal data per GDPR

  • ISMS response: Implement encryption (A.8.24), access controls (A.5.15), data retention policies (A.5.34)

Example - Regulators:

  • Requirement: Demonstrate compliance with industry data protection laws

  • ISMS response: Conduct regular risk assessments, maintain audit trails, perform internal audits

Example - Business Partners:

  • Requirement: Secure API connections for data exchange

  • ISMS response: Implement secure authentication (A.5.17), network security (A.8.20-A.8.23)

Documenting Interested Parties

While ISO 27001:2022 doesn't mandate a specific format, your documentation should include:

  • List of identified interested parties (internal and external)

  • Their information security requirements

  • How requirements are addressed in your ISMS (linked to controls, objectives, or policies)

  • Any requirements explicitly excluded and justification

Failing to address a critical interested party's requirements can lead to security gaps, compliance violations, or failed audits. Document exclusions with clear business justification.

Connection to Other ISMS Elements

Interested parties analysis directly influences:

  • ISMS Scope (Clause 4.3): Defines boundaries based on interested party requirements

  • Information Security Policy (Clause 5.2): Reflects commitments to stakeholders

  • Risk Assessment (Clause 6.1.2): Considers risks to interested parties' requirements

  • Information Security Objectives (Clause 6.2): Align with interested party expectations

  • Communication (Clause 7.4): Determines what to communicate to which stakeholders

Practical Examples

Healthcare Organization

Interested parties: Patients (data privacy), healthcare regulators (HIPAA compliance), insurance companies (claims data security), medical device vendors (secure integrations).

Key requirements: Patient consent management, audit logging, encryption of health records, vendor security assessments.

SaaS Company

Interested parties: Enterprise customers (SOC 2/ISO 27001 certification), end users (data protection), cloud providers (shared responsibility), investors (business continuity).

Key requirements: Third-party audits, incident response capabilities, data residency controls, business continuity planning.

Use ISMS Copilot to identify interested parties for your industry, map their requirements to Annex A controls, or generate documentation templates for stakeholder analysis.

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