Security system for industrial control infrastructure using dynamic signatures
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United States of America Patent
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Aug 7, 2018
Grant Date -
Dec 8, 2016
app pub date -
Jun 2, 2015
filing date -
Jun 2, 2015
priority date (Note) -
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Abstract
An industrial control system hardened against malicious activity monitors highly dynamic control data to develop a dynamic thumbprint that can be evaluated to detect deviations from normal behavior of a type that suggest tampering or other attacks. Evaluation of the dynamic thumbprint may employ a set of ranges defining normal operation and reflecting known patterns of interrelationship between dynamic variables.
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