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.
Related Terms
ISMS – Shaped by interested party requirements
Risk Assessment – Considers risks to interested parties
Information Security Policy – Communicates commitments to stakeholders
Management Review – Reviews feedback from interested parties