ISO IEC 27555:2021 pdf download – Information security, cybersecurity and privacy protection — Guidelines on personally identifiable information deletion. 3.1 cluster of personally identifiable information cluster of PII personally identifiable information which is processed for a consistent functional purpose Note 1 to entry: Clusters of PII are described independently of the technical representation of data objects. On a regular basis, the clusters of PII also include PII which is not stored electronically. 3.2 data object element which contains personally identifiable information (PII) EXAMPLE Examples of elements include files, documents, records or attributes. Concrete data objects include, for example, invoices, contracts,...