Protecting privacy of sensitive value distributions in data release

  • Authors:
  • Michele Bezzi;Sabrina De Capitani Di Vimercati;Giovanni Livraga;Pierangela Samarati

  • Affiliations:
  • SAP Research, Sophia-Antipolis, France;Università degli Studi di Milano, Crema, Italy;Università degli Studi di Milano, Crema, Italy;Università degli Studi di Milano, Crema, Italy

  • Venue:
  • STM'10 Proceedings of the 6th international conference on Security and trust management
  • Year:
  • 2010

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Abstract

In today's electronic society, data sharing and dissemination are more and more increasing, leading to concerns about the proper protection of privacy. In this paper, we address a novel privacy problem that arises when non sensitive information is incrementally released and sensitive information can be inferred exploiting dependencies of sensitive information on the released data. We propose a model capturing this inference problem where sensitive information is characterized by peculiar distributions of non sensitive released data. We also discuss possible approaches for run time enforcement of safe releases.