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Method and apparatus for authentication of file read events

  • US 10,642,791 B2
  • Filed: 03/26/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 01/24/2012
  • Status: Active Grant
First Claim
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1. A computerized method for distinguishing between false positive read events and true positive events of reading a file stored on a storage device and made from segments, comprising:

  • clearing bits of an integer, wherein sequential bits of the integer represent sequential segments of the file;

    setting bits of the integer corresponding to segments read from the file;

    determining if the read event is true positive or false positive based on if the number of set bits in the integer exceeds a threshold or if a decision condition is metresponsive to said determining initiating an interrupt to perform an application or ignoring the read event; and

    wherein the decision condition comprises one or more of;

    a specific predetermined number of readings from the file, a determined number of readings from the file, a specific predetermined time lapse from the first reading of the file, a determined time lapse from the first reading of the file, or any combination thereof.

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