A healthcare organization needs to use patient data for model evaluation while reducing direct identifiability but keeping the ability to relink records under strict controls. Which privacy technique best fits?

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C. Pseudonymization. Pseudonymization reduces direct identifiability while preserving a controlled way to relink records when necessary. Anonymization aims to prevent re-identification altogether, so it is less suitable when authorized relinking is still required.

A healthcare organization needs to use patient data for model evaluation while reducing direct identifiability but keeping the ability to relink records under strict controls. Which privacy technique best fits?

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