NDLI: A Real-Time Testbed Environment for Cyber-Physical Security on the Power Grid

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A Real-Time Testbed Environment for Cyber-Physical Security on the Power Grid

Content Provider	ACM Digital Library
Author	Jamei, Mahdi Koutsandria, Georgia Gentz, Reinhard McParland, Chuck Scaglione, Anna Peisert, Sean
Abstract	The trustworthiness and security of cyber-physical systems (CPSs), such as the power grid, are of paramount importance to ensure their safe operation, performance, and economic efficiency. The aim of many cyber-physical security techniques, such as network intrusion detection systems (NIDSs) for CPSs, is to ensure continuous reliable operation even in exposed network environments. But the validation of such methods goes well beyond standard network analysis, since meaningful tests must also integrate realistic understanding of the physical systems behavior and response to the network activity. Our goal in this paper is to showcase an example of a testbed environment that can support such validation. In it, real network traffic, emulating and industrial control network, interacts with simulated physical models in real-time, extending and leveraging "hardware-in-the-loop" and "cyber-in-the-loop" capabilities. The testbed is a bridge between theory and practice and offers a number of features, including network communications, data management, as well as the virtualization of cyber-physical state analytics performed by the NIDS. The traffic is captured by real network taps and is forwarded to a real data management environment, receiving also the data reports from the simulated industrial control environment. To illustrate the capabilities of our testbed we show how the data are cross-checked by a "physics aware" NIDS, identifying network traffic that does not comply with its cyber-physical security rules.
Starting Page	67
Ending Page	78
Page Count	12
File Format	PDF
ISBN	9781450338271
DOI	10.1145/2808705.2808707
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-10-16
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Testbed Cyber-physical systems Power grid Cyber-physical security Intrusion detection systems
Content Type	Text
Resource Type	Article

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