Operator action authentication in an industrial control system
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United States of America Patent
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Nov 10, 2020
Grant Date -
Feb 12, 2015
app pub date -
Oct 20, 2014
filing date -
Aug 6, 2013
priority date (Note) -
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Abstract
Operator actions and/or other commands or requests are secured via an authentication path from an action originator to a communications/control module or any other industrial element/controller. In implementations, an industrial control system includes an action authenticator configured to sign an action request generated by the action originator. The destination communications/control module or any other industrial element/controller is configured to receive the signed action request, verify the authenticity of the signed action request, and perform a requested action when the authenticity of the signed action request is verified.
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