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System and method for grid based cyber security

  • US 9,059,842 B2
  • Filed: 06/11/2012
  • Issued: 06/16/2015
  • Est. Priority Date: 06/09/2011
  • Status: Active Grant
First Claim
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1. A method for the establishment and maintenance of secure communications paths, comprising the steps of:

  • providing an intelligent communicating device at or near the edge of an electrical distribution grid, wherein the intelligent communicating device uses the electrical distribution grid as a transmission medium;

    providing, at a substation, a receiver capable of inferring a grid location of a device associated with the intelligent communicating device, wherein said inferring uses an electrical phase and an electrical feeder upon which a signal was received by said receiver;

    requesting, by the device, a secure communications path, session, or permission to perform a secured operation; and

    granting Keys and Key Tokens based upon the grid location of the device.

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