Attack detection in cyber-physical systems (CPS) has been approached in several ways due to the complex interactions among the physical and cyber components. A comprehensive study is presented in this paper to compare different attack detection techniques and evaluate them based on a defined set of metrics. This work investigates model-based attack detectors that use mathematical system models with the sensor/actuator set as the input/output of the underlying physical processes. The detection mechanisms include statistical change monitoring (CUSUM and Bad-Data detectors) and a machine learning based-method that analyses the residual signal. This is a tale of two testbeds, a secure water treatment plant (SWaT) and a water distribution plant (WADI), which serve as case studies for the diverse range of CPS infrastructures found in cities today. The performance of the detection methods is experimentally studied by executing various types of attacks on the plants.
CITATION STYLE
Athalye, S., Ahmed, C. M., & Zhou, J. (2020). A Tale of Two Testbeds: A Comparative Study of Attack Detection Techniques in CPS. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 12332 LNCS, pp. 17–30). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-58295-1_2
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