NDLI: Evaluating Resilience of Gas Pipeline Systems Under Cyber-Physical Attacks: A Function-Based Methodology

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Evaluating Resilience of Gas Pipeline Systems Under Cyber-Physical Attacks: A Function-Based Methodology

Content Provider	ACM Digital Library
Author	Wadhawan, Yatin Neuman, Clifford
Abstract	In this research paper, we present a function-based methodology to evaluate the resilience of gas pipeline systems under two different cyber-physical attack scenarios. The first attack scenario is the pressure integrity attack on the natural gas high-pressure transmission pipeline. Through simulations, we have analyzed the cyber attacks that propagate from cyber to the gas pipeline physical domain, the time before which the SCADA system should respond to such attacks, and finally, an attack which prevents the response of the system. We have used the combined results of simulations of a wireless mesh network for remote terminal units and of a gas pipeline simulation to measure the shortest Time to Criticality (TTC) parameter; the time for an event to reach the failure state. The second attack scenario describes how a failure of a cyber node controlling power grid functionality propagates from cyber to power to gas pipeline systems. We formulate this problem using a graph-theoretic approach and quantify the resilience of the networks by percentage of connected nodes and the length of the shortest path between them. The results show that parameters such as TTC, power distribution capacity of the power grid nodes and percentage of the type of cyber nodes compromised, regulate the efficiency and resilience of the power and gas networks. The analysis of such attack scenarios helps the gas pipeline system administrators design attack remediation algorithms and improve the response of the system to an attack.
Starting Page	71
Ending Page	80
Page Count	10
File Format	PDF
ISBN	9781450345682
DOI	10.1145/2994487.2994488
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-10-28
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Cyber-physical attacks Cyber-physical threats Gas pipelines Supervisory control and data acquisition Cyber security
Content Type	Text
Resource Type	Article

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