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3-Dimensional Analysis of Cyber-physical Systems Attacks

Wireless Sensor Networks (WSNs) collect data through sensors and send it to the Cyberspace in the Cyber Physical system (CPS). With the growth of CPSs, researchers and system engineers need new means and measures to face the unexpected WSN security challenges. In this paper, we propose a 3-D taxonomy of WSN attacks, where each attack may be classified based on its Accessibility, Position and Type (APT). Accessibility represents the number of nodes under attack, whereas position and type represent the physical location of the node under attack and the type of attack, respectively. Our proposed classification helps network engineers better understand and identify the threats to their networks and systems. Through this taxonomy, 27 attack-scenarios are studied and quantified for further analysis. This paper proposes a novel quantification scheme, which can be used to understand the attacks’ severity. We present five case studies to show how to use the proposed quantification scheme to evaluate the severity level of attacks across different application domains.