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Zero-stealthy attack for sampled-data control systems: The case of faster actuation than sensing

Title
Zero-stealthy attack for sampled-data control systems: The case of faster actuation than sensing
Authors
Kim, JihanPark, GyunghoonShim, HyungboEun, Yongsoon
DGIST Authors
Eun, Yongsoon
Issue Date
2016
Citation
55th IEEE Conference on Decision and Control, CDC 2016, 5956-5961
Type
Conference
Article Type
Conference Paper
ISBN
9780000000000
Abstract
In this paper, we introduce a new vulnerability of cyber-physical systems to malicious attack. It arises when the physical system, that is modeled as a continuous-time LTI system, is controlled by a digital controller, i.e., the output is measured only at discrete sensing times. Since the anomaly detector monitors the output signal, nothing abnormal can be detected through the output if the output looks normal at sensing times. This implies that if an (actuator) attack drives the internal states passing through the kernel of the output matrix at each sensing time, then the attack compromises the system while it remains stealthy. We show that this type of attack is feasible when the control system uses multi-rate sampling, and the sampling rate for input signal is higher than that for output measurements. Simulation results for the X-38 vehicle illustrate this new attack strategy possibly brings disastrous consequences. © 2016 IEEE.
URI
http://hdl.handle.net/20.500.11750/5451
DOI
10.1109/CDC.2016.7799183
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Eun, Yong Soon DSC Lab(Dynamic Systems and Control Laboratory)
  • Research Interests Resilient control systems; Control systems with nonlinear sensors and actuators; Quasi-linear control systems; Intelligent transportation systems; Networked control systems
Files:
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Collection:
Department of Information and Communication EngineeringDSC Lab(Dynamic Systems and Control Laboratory)2. Conference Papers


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