CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Data Analytics
A company wishes to share customer data with an analytics vendor after removing names and phone numbers, but keeps a separate key table that can re-link records to individuals. How should this data be treated?
It is pseudonymised data and still counts as personal data. Since a key table can re-link records to individuals, re-identification remains possible, so it is not truly anonymised and privacy obligations continue to apply.
- APseudonymised data, which can still identify individuals and remains personal dataCorrect
- BFully anonymised data outside any privacy obligation
- CPublic domain data open to any use
- DNon-personal data because direct identifiers were removed
Explanation
Because a key table allows re-identification, the data is only pseudonymised. Anonymisation requires that re-identification is not reasonably possible. Therefore privacy obligations continue to apply to the shared dataset.
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