Processing data that includes personal information so that individuals can no longer be identified in the resulting data. Anonymisation enables data to be published without breaching data protection principles. The principal techniques are aggregation and de-identification. Care must be taken to avoid data leakage that would result in individuals’ privacy being compromised. Source: ODH.

Under EU rules anonymisation means the process of changing documents into anonymous documents which do not relate to an identified or identifiable natural person, or the process of rendering personal data anonymous in such a manner that the data subject is not or no longer identifiable.

Source: OD Directive

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