ISO/IEC 27555:2021

Information security, cybersecurity and privacy protection — Guidelines on personally identifiable information deletion

Publication date:   Oct 8, 2021

General information

90.92   Standard to be revised   Sep 26, 2025

ISO/IEC

ISO/IEC JTC 1/SC 27 Information security, cybersecurity and privacy protection

International Standard

35.030   IT Security

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Scope

This document contains guidelines for developing and establishing policies and procedures for deletion of personally identifiable information (PII) in organizations by specifying:
—    a harmonized terminology for PII deletion;
—    an approach for defining deletion rules in an efficient way;
—    a description of required documentation;
—    a broad definition of roles, responsibilities and processes.
This document is intended to be used by organizations where PII is stored or processed.
This document does not address:
—    specific legal provision, as given by national law or specified in contracts;
—    specific deletion rules for particular clusters of PII that are defined by PII controllers for processing PII;
—    deletion mechanisms;
—    reliability, security and suitability of deletion mechanisms;
—    specific techniques for de-identification of data.

Life cycle

NOW

PUBLISHED
ISO/IEC 27555:2021
90.92 Standard to be revised
Sep 26, 2025

REVISED BY

IN_DEVELOPMENT
ISO/IEC DIS 27555