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May 18, 2017
Identification of Cyber Attacks on Water Distribution Systems by Unveiling Low-Dimensionality in the Sensory Data
Authors: Marcio Giacomoni [email protected], Nikolaos Gatsis [email protected], and Ahmad Taha [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2017
Abstract
Modern water distribution networks (WDN) are evolving into cyber-physical systems comprising physical components, such as valves and pumps, and a cyber-layer of computing, sensing and communication devices. It is recognized that these cyber-components are vulnerable to malicious attacks that can range from sensor data manipulation to alteration of the control laws that govern the operation of physical components. This paper presents a data-driven, model-free optimization-based solution to the BATtle of the Attack Detection Algorithms (BATADAL) competition that aims to investigate various approaches for the detection of cyber-attacks in WDNs. Leveraging machine learning and system identification, this paper develops algorithms for detection of cyber-attacks on WDNs. The methodology relies on unveiling low dimensionality components in the sensory data as well as on the sparse nature of anomalies a natural property of cyber-attacks against large volumes of data. The chief computational instrument is convex optimization, for which computationally efficient solvers are available. The proposed methods are tested on simulated cyber-attacks from the C-Town network in EPANET and the provided data-sets.
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© 2017 American Society of Civil Engineers.
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Published online: May 18, 2017
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Dept. of Civil and Environmental Engineering, Univ. of Texas at San Antonio, San Antonio, TX 78249. E-mail: [email protected]
Dept. of Electrical and Computer Engineering, Univ. of Texas at San Antonio, San Antonio, TX 78249. E-mail: [email protected]
Dept. of Electrical and Computer Engineering, Univ. of Texas at San Antonio, San Antonio, TX 78249. E-mail: [email protected]
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