NIST CSF PR.DS - Data Security
Protect the confidentiality, integrity, and availability of data throughout its lifecycle using encryption, integrity checking, secure disposal, logging, and redundancy
Where this comes from
Provision: PR.DS - Data Security
Instrument: NIST Cybersecurity Framework 2.0 (February 2024)
Citation: NIST CSWP 29, The NIST Cybersecurity Framework (CSF) 2.0, 26 February 2024, Appendix A (CSF Core), PR.DS (Data Security), subcategories PR.DS-01, PR.DS-02, PR.DS-10, PR.DS-11
Text version: NIST CSWP 29, The NIST Cybersecurity Framework (CSF) 2.0, 26 February 2024, Appendix A (CSF Core); retrieved from nvlpubs.nist.gov on 2026-09-23.
Who it applies to
It applies when all of these are true:
- Data categories collected — any answer
- Data retention period — any answer
- Service collects behavioral data
What engineering work it implies
- Data Deletion Request HandlerCovers part of it
Process user data deletion requests with verification and audit trail.
- Data Minimization at CollectionCovers part of it
Implement data minimization principles by collecting only necessary data with purpose limitation.
- High Privacy Defaults ConfigurationCovers part of it
Configure all user-facing settings to high-privacy defaults for child users.
Sample acceptance criteria Landfall generates for this obligation:
- Personal data is encrypted in transit and at rest
- Access to personal data is role-restricted and access is logged
- A documented incident-response / breach-notification procedure exists and is tested
- Third-party processors are bound by equivalent security obligations
- Unauthorized role cannot read personal-data endpoints (403)
Evidence an auditor expects
- Technical controlTechnical audit
Data-at-rest protection
Encryption and access controls for children's data at rest
Questions people ask
- Does NIST CSF PR.DS - Data Security apply to my service?
- It applies when Data categories collected — any answer; Data retention period — any answer; Service collects behavioral data.
- From when does this apply?
- NIST CSF PR.DS - Data Security applies from 26 February 2024. Its current status is: in force.
- What evidence does an auditor expect?
- Data-at-rest protection.
Find out whether this one lands on you
Landfall's pre-scan answers the applicability question above for your product in minutes, then turns every obligation that applies into traceable engineering tickets with a citation chain your auditors can follow.
Not legal advice. Landfall maps regulatory obligations to engineering work for planning purposes. Its verdicts are not legal advice and create no attorney-client relationship — verify with qualified counsel before relying on them.