The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 19, 2016

Filed:

Jan. 28, 2015
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Justin Brandon Chong, Salem, VA (US);

David Richard Socky, Roanoke, VA (US);

Pavan Kumar Singh Thakur, Hyderabad, IN;

William Robert Pettigrew, Salem, VA (US);

Robert James Boring, Greer, SC (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/04 (2006.01); H04L 29/06 (2006.01); G05B 19/048 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 63/08 (2013.01); G05B 19/048 (2013.01); H04L 9/321 (2013.01); H04L 9/3263 (2013.01); H04L 63/0823 (2013.01);
Abstract

A method of securing an industrial control system includes operating the industrial control system in an open mode, wherein communications between a plurality of devices of the industrial control system are unencrypted when the industrial control system is in the open mode. The method includes exchanging security tokens between the plurality of devices of the industrial control system. The method further includes ceasing operating the industrial control system in the open mode and instead operating the industrial control system in a secure mode, wherein the communications between the plurality of devices of the industrial control system are encrypted using the security tokens when the industrial control system is operating in the secure mode.


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