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Personal Identifiers (PID) are a subset of personally identifiable information (PII) data elements, which identify an individual and can permit another person to "assume" that individual's identity without their knowledge or consent.[1] PIIs include direct identifiers (name, social security number) and indirect identifiers (race, ethnicity, age).[2]
Identifiers can be sensitive and non-sensitive, depending on whether it is a direct identifier that is uniquely associated with a person or a quasi-identifier that is not unique. A quasi-identifier cannot pin down an individual alone - it has to be combined with other identifiers.[3][4]
- ^ "Guide to Identifying Personally Identifiable Information (PII)". www.technology.pitt.edu. 2017-02-14. Retrieved 2020-12-06.
- ^ "What Is Personally Identifiable Information?". www.cdc.gov. Retrieved 2024-03-14.
- ^ University, Utah State. "Sensitive Data | Research Data Management". library.usu.edu. Retrieved 2023-04-11.
- ^ "Personally Identifiable Information (PII)". Investopedia. Retrieved 2022-09-07.