A secure protocol to distribute unlinkable health data.

  • Malin B
  • Sweeney L
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Abstract

Health data that appears anonymous, such as DNA records, can be re-identified to named patients via location visit patterns, or trails. This is a realistic privacy concern which continues to exist because data holders do not collaborate prior to making disclosures. In this paper, we present STRANON, a novel computational protocol that enables data holders to work together to determine records that can be disclosed and satisfy a formal privacy protection model. STRANON incorporates a secure encrypted environment, so no data holder reveals information until the trails of disclosed records are provably unlinkable. We evaluate STRANON on real-world datasets with known susceptibilities and demonstrate data holders can release significant quantities of data with zero trail re-identifiability.

Author-supplied keywords

  • Algorithms
  • Computer Communication Networks
  • Computer Security
  • Computerized
  • Confidentiality
  • Database Management Systems
  • Genetic Privacy
  • Humans
  • Medical Records Systems

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Authors

  • Bradley a Malin

  • Latanya Sweeney

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