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Systems and methods employing delimiter searches to identify sensitive information in data

  • US 8,616,443 B2
  • Filed: 05/31/2011
  • Issued: 12/31/2013
  • Est. Priority Date: 05/28/2010
  • Status: Active Grant
First Claim
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1. A system for identifying potentially sensitive information, comprising:

  • a scanning device configured to communicate with a memory device that stores data including potentially sensitive information, the scanning device programmed to;

    identify a string of sequential bytes of at least one predetermined length in which each byte has a value corresponding to a decimal number;

    evaluate a preceding byte immediately preceding the string of sequential bytes to determine whether the preceding byte has a value that corresponds to a known delimiter;

    evaluate a following byte immediately following the string of sequential bytes to determine whether the following byte has a value that corresponds to a known delimiter;

    identify each string immediately preceded by a preceding byte with a value corresponding to a known delimiter and immediately followed by a following byte with a value corresponding to a known delimiter as a suspected sensitive data string.

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