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A Survey on Network Security for Cyber-Physical Systems: From Threats to Resilient Design

Title
A Survey on Network Security for Cyber-Physical Systems: From Threats to Resilient Design
Author(s)
Kim, SangjunPark, Kyung-JoonLu, Chenyang
DGIST Authors
Kim, SangjunPark, Kyung-JoonLu, Chenyang
Issued Date
2022-06
Type
Article
Author Keywords
Real-time systemsResilienceSecurityTime factorsTutorialsattack detectionattack resiliencyControl theorycyber-physical attackscyber-physical securityCyber-physical systemsEncryption
Keywords
STEALTHY SENSOR ATTACKINTRUSION DETECTIONINJECTION ATTACKSFAULT-DETECTIONCOMMUNICATIONSERVICEINTERNETVULNERABILITYCHALLENGESMITIGATION
ISSN
1553-877X
Abstract
Cyber-physical systems (CPS) are considered the integration of physical systems in the real world and control software in computing systems. In CPS, the real world and the computing systems are connected through networks with real-time information exchange. The introduction of networking technologies in CPS has substantial advantages in terms of system efficiency, scalability, maintenance, and many more. However, CPS are vulnerable to malicious attackers intruding on the network. The attackers aim to destroy the physical systems with cyber-physical attacks, in which the main objective is to remotely cause malfunctions in physical systems through networks. Therefore, extensive research on cyber-physical security has been conducted to detect cyber-physical attacks and guarantee the stability of the physical systems under cyber-physical attacks. In this survey, we conduct an exhaustive review of the literature on threats to CPS and on resilient CPS design strategies. First, we discuss the structure of CPS, considering physical dynamics, computing systems, and networks. Then, we provide a taxonomy of cyber-physical attacks with three properties (attack space, attack location, and stealthiness). These three attributes represent the requirements for the implementation of cyber-physical attacks. We review existing studies on anomaly-detection strategies against cyber-physical attacks in terms of physics, networks, and machine learning techniques. Moreover, we analyze the impact of typical cyber-physical attacks and the constraints on attack implementations. In particular, for each of the well-established cyber-physical attacks, we present numerical examples that clearly illustrate the time responses of the physical systems with a conventional physics-based anomaly detector. We also review advances in the typical cyber-physical attacks and the detection methods for these attacks. Furthermore, we review resilient CPS designs in the context of control theory, network management, and data-driven technologies. We conclude the survey by identifying future research directions. IEEE
URI
http://hdl.handle.net/20.500.11750/17013
DOI
10.1109/COMST.2022.3187531
Publisher
Institute of Electrical and Electronics Engineers
Related Researcher
  • 박경준 Park, Kyung-Joon 전기전자컴퓨터공학과
  • Research Interests Cyber-Physical Systems; 무선 센서-액츄에이터 네트워크; 스마트 팩토리
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Appears in Collections:
Department of Electrical Engineering and Computer Science CSI(Cyber-Physical Systems Integration) Lab 1. Journal Articles

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