prEN ISO/IEC 27555

Information security, cybersecurity and privacy protection - Guidelines on personally identifiable information deletion (ISO/IEC DIS 27555:2026)

Publication date:   May 28, 2026

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.