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A practical physical watermarking approach to detect replay attacks in a CPS

Lookup NU author(s): Dr Mujeeb AhmedORCiD

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Abstract

Cyber Physical Systems (CPSs) are considered as an integration of computing, networking, and physical processes. In such systems physical processes are monitored and controlled by the combination of computation, communication, and control technologies. Examples of CPSs include process control systems, medical devices, robots, and critical infrastructures such as water treatment plants, water distribution systems, and power grid. Often, these systems are vulnerable to attacks as the cyber components such as Supervisory Control and Data Acquisition (SCADA) workstations, Human Machine Interface (HMI), and Programmable Logic Controllers (PLCs) are potential targets for attackers. Replay attacks are easy to perform on such systems and can potentially lead to significant damages to the system. Therefore, timely detection of replay attacks is important to mitigate the attack consequences. In this work, we propose a practical watermarking technique to detect the attacks. Experiments are performed on a real WAter DIstribution system (WADI) to explore how to tackle the replay attacks using watermarking signal.

Publication metadata

Author(s): Ahmed CM, Palleti VR, Mishra VK

Publication type: Article

Publication status: Published

Journal: Journal of Process Control

Year: 2022

Volume: 116

Pages: 136-146

Print publication date: 17/08/2022

Online publication date: 24/06/2022

Acceptance date: 06/06/2022

ISSN (print): 0959-1524

ISSN (electronic): 1873-2771

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.jprocont.2022.06.002

DOI: 10.1016/j.jprocont.2022.06.002

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