Trojan Detection and Side-Channel Analyses for Cyber-Security in Cyber-Physical Manufacturing Systems
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abstract
As the maliciousness and frequency of cyber-attacks continues to grow, the safety and security of cyber-physical critical infrastructures, such as manufacturing, is quickly becoming a significant concern across the globe. Outside of traditional intellectual property theft, attacks against manufacturing systems pose a threat to maintaining a product's design intent. More specifically, such attacks can alter a manufacturing system to produce a part incorrectly; resulting in impaired functionalities or reduced performance. Manufacturing systems rely heavily upon the use of quality control systems to detect quality losses and to ensure the continued production of high-quality parts. However, quality control systems are not designed to detect the effects of malicious attacks and are ill-suited to act as a cyber-security measure for many manufacturing systems. Therefore, this paper presents a novel product/process design approach to enable real-time attack detections to supplement the shortcomings of quality control systems. The proposed approach, inspired by side-channel schemes used to detect Trojans (foreign malicious logic) in integrated circuits, aims at detecting changes to a manufactured part's intrinsic behavior through the use of structural health monitoring techniques.
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43rd North American Manufacturing Research Conference, NAMRC 43, 8-12 June 2015, UNC Charlotte, North Carolina, United States
