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Physical Logic Bombs in 3D Printers via Emerging 4D Techniques
Rapid prototyping makes additive manufacturing (or 3D printing)useful in critical application domains such as aerospace, automotive, …
Tuan Le, Sriharsha Etigowni, Sizhuang Liang, Xirui Peng, Jerry Qi, Mehdi Javanmard, Saman Zonouz, Raheem Beyah
Physics-Aware Security Monitoring against Structural Integrity Attacks in 3D Printers
STereoLithography (STL) files describe the geometry of objects to be printed in additive manufacturing. Previous studies have shown …
Sriharsha Etigowni, Sizhuang Liang, Saman Zonouz, Raheem Beyah
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Forensic Investigation of Industrial Control Systems Using Deterministic Replay
From manufacturing plants to power grids, industrial control systems are increasingly controlled and networked digitally. While …
Gregory Walkup, Sriharsha Etigowni, Dongyan Xu, Vincent Urias, Han W Lin
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Fast Generation Redispatch Techniques for Automated Remedial Action Schemes
To ensure power system operational security, it not only requires security incident detection, but also automated intrusion response …
Hao Huang, Maryam Kazerooni, Shamina Hossain-McKenzie, Sriharsha Etigowni, Saman Zonouz, Katherine Davis
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Crystal (ball) I Look at Physics and Predict Control Flow! Just-Ahead-Of-Time Controller Recovery
Recent major attacks against unmanned aerial vehicles (UAV) and their controller software necessitate domain-specific cyber-physical …
Sriharsha Etigowni, Shamina Hossain-McKenzie, Maryam Kazerooni, Katherine Davis, Saman Zonouz
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Algorithmic attack synthesis using hybrid dynamics of power grid critical infrastructures
Automated vulnerability assessment and exploit generation for computing systems have been explored for decades. However, these …
Zhenqi Huang, Sriharsha Etigowni, Luis Garcia, Sayan Mitra, Saman Zonouz
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Watch me, but don't touch me! contactless control flow monitoring via electromagnetic emanations
Trustworthy operation of industrial control systems depends on secure and real-time code execution on the embedded programmable logic …
Yi Han, Sriharsha Etigowni, Hua Liu, Saman Zonouz, Athina Petropulu
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Cyber-air-gapped detection of controller attacks through physical interdependencies
Trustworthy operation of the power grid critical infrastructures requires real-time intrusion detection systems to identify compromised …
Sriharsha Etigowni, Mehmet Cintuglu, Maryam Kazerooni, Shamina Hossain, Pengfei Sun, Katherine Davis, Osama Mohammed, Saman Zonouz
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Distributed controller role and interaction discovery
Distributed controllers have a ubiquitous presence in the electric power grid and play a prominent role in its daily operation. The …
Shamina Hossain-McKenzie, Katherine Davis, Maryam Kazerooni, Sriharsha Etigowni, Saman Zonouz
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Improving power system neural network construction using modal analysis
Historically, the structure of an Artificial Neural Network (ANN) has been defined through trial-and-error or excessive computation …
Joshua Johnson, Shamina Hossain-McKenzie, Uyen Bui, Sriharsha Etigowni, Katherine Davis, Saman Zonouz
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