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Method and apparatus for data security analysis of data flows

  • US 10,198,582 B2
  • Filed: 08/01/2016
  • Issued: 02/05/2019
  • Est. Priority Date: 07/30/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • assigning a policy to a data element, wherein the data element is part of a data flow having one or more flow steps reflecting usage of the data element, wherein each flow step specifies method of transport of the data element as part of the policy, the policy being associated with a classification level for the data element;

    determining a data flow configuration according to the classification level involving how the data element is processed by a plurality of processing nodes;

    determining, based on the data flow configuration, an expected sequence of the processing nodes that will interact with the data element;

    monitoring the data element and the data flow to determine an observed sequence; and

    identifying a potential security issue when there is a deviation of the observed sequence from the expected sequence.

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