Side Channels in Cloud Services: Deduplication in Cloud Storage

  • Authors:
  • Danny Harnik;Benny Pinkas;Alexandra Shulman-Peleg

  • Affiliations:
  • IBM Haifa Research Lab;Bar Ilan University;IBM Haifa Research Lab

  • Venue:
  • IEEE Security and Privacy
  • Year:
  • 2010

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Abstract

Although deduplication is most effective when applied across multiple users, cross-user deduplication has serious privacy implications. Some simple mechanisms can enable cross-user deduplication while greatly reducing the risk of data leakage.