PDPA, ISO 27001 and ISO 27701: A Practical Operating Model
How to connect privacy governance with security controls, risk management, supplier assurance, audit, and continual improvement.
Privacy and security are connected, but not identical
ISO 27001 helps organisations operate an information-security management system around confidentiality, integrity, availability, risk, controls, and continual improvement. ISO 27701 extends privacy-management capabilities. PDPA readiness adds processing-specific responsibilities, transparency, rights, accountability, governance, and local legal context.
Where the frameworks overlap
| Area | PDPA readiness | ISO contribution |
|---|---|---|
| Governance | Accountability and roles | Leadership, policy, and management-system discipline |
| Risk management | Privacy-risk assessment | Risk assessment and treatment methods |
| Security | Appropriate safeguards | Technical and organisational controls |
| Suppliers | Processor and vendor oversight | Supplier-security controls |
| Incidents | Privacy incident assessment | Incident-management processes |
| Evidence | Demonstrable accountability | Audits, records, and continual improvement |
| Training | Privacy awareness | Competence and awareness controls |
What ISO 27001 does not automatically solve
An ISO 27001 programme does not automatically provide a processing-condition analysis, clear privacy notices, rights-request workflows, consent management, processing-purpose documentation, retention rules for every category, privacy-specific supplier clauses, or privacy-impact assessment decisions. These need explicit privacy design.
Build one integrated operating model
- • Use a common risk register for privacy and security risks.
- • Combine supplier-security and privacy due diligence.
- • Include privacy controls in internal-audit plans.
- • Use common training channels and management-reporting processes.
- • Link privacy incidents to cybersecurity incident response.
- • Build privacy requirements into secure development and procurement processes.
A practical implementation sequence
1. Establish the baseline
Assess existing policies, risk registers, asset inventories, supplier records, incident processes, and evidence.
2. Add privacy requirements
Add processing records, rights workflows, notices, retention schedules, and privacy-risk screening.
3. Integrate reporting
Report privacy risks, incidents, supplier issues, training, audit actions, and improvements together.
4. Test and improve
Run exercises, audit key processes, test workflows, review suppliers, and update controls as the organisation changes.
Integrated assurance
Connect privacy, security, and governance.
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