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De-identification technique

As explained in Data for All

Data deidentification is the removal or alteration of identifying attributes from records to reduce their association with specific individuals.

What happens when identifying details are removed from a record? De-identification strips or alters attributes such as names, addresses, age, gender, and weight to reduce links to a person. That can satisfy a legal requirement without making the data truly anonymous. section 1.2.1

Genetic data exposes the limit of this technique. Removing ordinary identifiers may leave a complete genome, which can itself act as an ultimate personal identifier. The result is a gap between meeting a legal burden and eliminating personal identifiability. section 1.2.1

A DNA database

A company removes names, addresses, age, gender, and weight from DNA records and considers them deidentified. The records may meet the legal standard, yet the genome remains tied to an individual. section 1.2.1

How Data for All covers it

How deep it goes
Distinguishes attribute stripping from true anonymity but stops short of technical re-identification methods.
Examples
Uses a DNA database that removes names, addresses, demographics, and body weight while retaining complete genomes.
What you can do after
Evaluate de-identification claims by separating legal compliance from the possibility of continued personal identification.
How it connects
Connects de-identification with genetic data, DNA sequencing, privacy, and legal compliance.

Also explained in

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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Data for All. The section links point to the parts of the book it draws on.