Measuring re-identification risk using a synthetic estimator to enable data sharing.

ABSTRACT:

Background

One common way to share health data for secondary analysis while meeting increasingly strict privacy regulations is to de-identify it. To demonstrate that the risk of re-identification is acceptably low, re-identification risk metrics are used. There is a dearth of good risk estimators modeling the attack scenario where an adversary selects a record from the microdata sample and attempts to match it with individuals in the population.

Objectives

Develop an accurate risk estimator for the sample-to-population attack.

Methods

A type of estimator based on creating a synthetic variant of a population dataset was developed to estimate the re-identification risk for an adversary performing a sample-to-population attack. The accuracy of the estimator was evaluated

SUBMITTER: Jiang Y 

PROVIDER: S-EPMC9205507 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature