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Removal of data remanence in deduplicated storage clouds

  • US 8,682,868 B2
  • Filed: 12/02/2011
  • Issued: 03/25/2014
  • Est. Priority Date: 12/02/2011
  • Status: Active Grant
First Claim
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1. A computer program product comprising a computer usable tangible storage medium having readable program code embodied in the tangible storage medium, wherein the tangible storage medium comprises a device and the computer program product includes at least one component operable to:

  • receive a first request to securely delete a deduplicated file, wherein the first request is received from a first user, and the first user and a second user are linked to the deduplicated file by data in a deduplication database;

    based on the first request, securely delete data from the deduplication database linking the first user to the deduplicated file, without deleting the deduplicated file;

    receive a second request to securely delete the deduplicated file, wherein the second request is received from the second user; and

    securely delete the deduplicated file based on the second request.

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