In a linkage attack, quasi-identifiers are used to join datasets and form a richer combined dataset that can re-identify individuals or reveal unintended private information.K-anonymity applies generalization to ensure that the smallest number of indistinguishable individuals is a group of size ‘k’. That means every individual in a dataset is indistinguishable from at least k-1 others.
With Manual Generalization, you define the data generalization rules. Privitar’s advanced capabilities allow you to set the k-anonymity threshold in accordance with your tolerance for linkage and re-identification risks for each specific data use. The Privitar Platform automatically drops rows that are in clusters that fall below thresholds so that you know k-anonymity is achieved.
With Automatic Generalization, you define k-anonymity cluster size and allow the Privitar Platform to dynamically determine the data generalization rules to use. Privitar adjusts the blurring used to achieve k-anonymity for all quasi-identifiers – without the need to drop records. You maintain the greatest precision and include all of the data to achieve maximum data utility.
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