Define only necessary fields: Before collection, which missing control most directly implements data
Data minimization is implemented before collection by limiting the request to necessary fields.
The question
Under the EU GDPR, a research office will collect applicant data for a defined study. Lawful basis, purpose, security, retention, rights handling, and transfer review are already satisfied. Before collection, which missing control most directly implements data minimization?
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- Encrypt the full dataset before researcher accessEncryption protects collected data but does not prevent the office from collecting unnecessary fields.
- Define only necessary fields ✓Specifying only fields necessary for the study limits collection at the point where minimization must operate.
- Apply shorter retention periods to every research recordShorter retention supports storage limitation, but it does not determine which fields are necessary before collection.
- Pseudonymize identifiers immediately after collectionPseudonymization reduces linkage exposure after collection, but it does not eliminate unnecessary fields collected in the first place.
The trap
Identify whether the control limits what enters the system, rather than merely protecting or deleting collected data. How to remember it
Data minimization is implemented before collection by limiting the request to necessary fields.
How many of these would you get right?
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