ISO 27001 vs PDPD
Decree 13/2023 (PDPD) and ISO 27001 are the two most important compliance requirements Vietnamese businesses face. Significant overlap between both frameworks allows effort optimization when implementing together.
Fundamental comparison
| Aspect | ISO 27001 | PDPD (Nghị định 13/2023) |
|---|---|---|
| Nature | Voluntary international standard (can certify) | Mandatory Vietnamese law |
| Goal | Protect confidentiality, integrity, availability of information | Protect privacy and personal data of individuals |
| Scope | All information types (not just personal data) | Only personal data of Vietnamese nationals |
| Authority | Independent certification body (CB) | Department A05, Vietnam Ministry of Public Security |
| Consent & Data Rights | Not directly required (but Privacy policy is in Annex A) | Mandatory: consent, DSR workflow, DPIA |
| Sensitive data registration | No requirement | Mandatory registration with MPS |
| Output | ISO 27001 certificate (commercial value) | Legal compliance (avoid legal risk) |
Control overlap: ISO 27001 Annex A → PDPD
When implementing ISO 27001, many Annex A controls simultaneously satisfy PDPD's technical and organizational obligations:
What ISO 27001 does NOT cover (additional work for PDPD):
- Consent mechanism and consent withdrawal
- Data Subject Request (DSR) workflow
- DPIA documentation for sensitive data
- Registration with Ministry of Public Security (sensitive data)
- Cross-border data transfer agreement per PDPD
Strategy: ISO 27001 + PDPD in parallel
If your company is implementing ISO 27001 for international markets, this is the ideal time to simultaneously build PDPD compliance. The additional cost is much lower than doing each separately.
When scoping ISO 27001, simultaneously map personal data per PDPD. One gap analysis, two outputs.
Information Security Policy, Incident Response Policy, Supplier Management Policy → adjust to cover PDPD obligations, don't rewrite.
Additionally build: consent flow, DSR workflow, DPIA template, and MPS registration if handling sensitive data.
When external auditors assess ISO 27001, your evidence collection process simultaneously creates PDPD documentation.
Frequently asked questions
Does ISO 27001 satisfy PDPD requirements?
No. ISO 27001 builds approximately 60–70% of the technical foundation needed for PDPD, but does not replace it. You still need to add: consent mechanisms, DSR workflows, DPIA documentation, Ministry of Public Security registration for sensitive data, and cross-border data transfer agreements.
What does ISO 27001 not cover for PDPD compliance?
5 areas ISO 27001 doesn't cover: (1) Consent mechanism and consent withdrawal; (2) Data Subject Request (DSR) workflow; (3) DPIA documentation for sensitive data; (4) Registration with Department A05, Ministry of Public Security; (5) Cross-border data transfer agreements per PDPD. These must be added even if you already have ISO 27001.
How long to implement ISO 27001 and PDPD in parallel?
Parallel implementation typically takes 6–12 months depending on organization size, compared to 12–18 months if done separately. Savings come from shared gap analysis, policies, and evidence collection. A compliance platform like pTrackly can significantly reduce this timeline through unified control mapping.
Ready to get audit-ready?
Book a 15-minute call. See the platform. Decide if it fits.
Book Free Demo 15 min, no commitment