Why ‘Anonymized Data’ Isn’t So Anonymous

Cleaning data of ‘personally identifying information’ is harder than you might think

Credit: Pattanaphong Khuankaew / EyeEm/Getty Images

InIn 2015, Latanya Sweeney, a researcher who studies data anonymization and privacy, published research specifically targeting the deanonymization of HIPAA-protected data in Washington. In that state, (and many others), it is possible for companies and…