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Anonymization

What is Anonymization?

The irreversible process of altering personal data so that individuals can no longer be identified directly or indirectly, removing it from data protection regulations.

Privacy and Data Protection

What the standards actually require on anonymization

Requirements naming anonymization across 6 standards, quoted from the control text.

A control the standard adds: the community protects the anonymity of the source of shared information where needed; the originator may conceal the source, a member may conceal itself as originator (4.7), and a supporting entity provides such anonymization more...

iso-iec-27010-2015::8.4.5 · Anonymous source protection →

Distributed ledger networks that record data from several participants using cryptography, consensus, smart contracts and replication may support GxP processes such as supply chain track and trace, and the guide gives the GxP practitioner considerations for re...

gamp-5-good-automated-manufacturing-practice::D10 · Appendix D10 Distributed Ledger Systems →

Data masking is to be applied as directed by the access control policy, related topic policies and what the business needs, with applicable law taken into account.

iso-27002-2022::8.11 · Data masking →

Added HLT control: policies and procedures should ensure that each subject of care has one unique identifier and that duplicate or multiple records for the same subject can be merged. Aim: avoid records and information that are incomplete or inconsistent.

iso-27799-2025::5.39 · 5.39 HLT: Uniquely identifying subjects of care →

Privacy protection for AI systems includes data minimization, anonymization and pseudonymization, privacy-preserving learning techniques, access control and output controls against inference.

iso-iec-tr-24028-2020::9.6 · Privacy →

Capabilities to prevent malicious email such as spam and phishing from adversely affecting operations; prohibit ingress and egress communications with known or suspected malicious IP addresses;

tsa-pipeline-cybersecurity-directives::SD02-III.D.1 · SD02 III.D.1 Preventive and blocking capabilities →

Questions people ask about anonymization

What is Anonymization?
The irreversible process of altering personal data so that individuals can no longer be identified directly or indirectly, removing it from data protection regulations.
Why is Anonymization important for compliance?
Anonymization is a key concept in Privacy and Data Protection. Understanding anonymization helps organizations meet regulatory requirements, reduce risk, and demonstrate due diligence during audits. Our compliance platform maps 1,016 frameworks with 316K cross-framework control mappings.
Which compliance frameworks address Anonymization?
Anonymization appears in the requirement text of ISO/IEC 27010:2015, GAMP 5 - Good Automated Manufacturing Practice, ISO 27002:2022, ISO 27799:2025, ISO/IEC TR 24028:2020. Across these standards we have identified 7 controls that name it directly, each linked to the control text on the compliance platform.
Where can I learn more about Anonymization?
Explore our compliance framework pages to see how anonymization applies across different standards and regulations. Our implementation guides provide step-by-step guidance, and the compliance platform offers AI-powered analysis of how this concept maps across 1,016 frameworks.

See how Anonymization applies across compliance frameworks

Our platform maps 1,016 frameworks with 316K cross-framework control mappings. Explore how this concept is addressed across standards.

Written and maintained by Gerard Blokdyk, The Art of Service.