Date Published: December 2016
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De-identification removes identifying information from a dataset so that the remaining data cannot be linked with specific individuals. Government agencies can use de-identification to reduce the privacy risk associated with collecting, processing, archiving, distributing or publishing government data. Previously NIST published NISTIR 8053, De-Identification of Personal Information, which provided a survey of de-identification and re-identification techniques. This document provides specific guidance to government agencies that wish to use de-identification.
In developing the draft Privacy Risk Management Framework, NIST sought the perspectives and experiences of de-identification experts both inside and outside the US Government.
Future areas of work will focus on developing metrics and tests for de-identification software, as well as working with industry and academia to make algorithms that incorporate formal privacy guarantees usable for government de-identification activities. Collected input will be used to correct technical errors and expand areas that are unclear.
Keywords privacy; de-identification; re-identification; Disclosure Review Board; data life cycle; the five safes; k-anonymity; differential privacy; pseudonymization; direct identifiers; quasi-identifiers; synthetic data
System and Communications Protection;