Journal
IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY
Volume 21, Issue 5, Pages 1963-1970Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCST.2012.2211873
Keywords
Delay systems; fault diagnosis; intrusion detection; supervisory control and data acquisition (SCADA) systems; supervisory control
Funding
- Cemagref
- France-Berkeley Fund
- Team for Research in Ubiquitous Secure Technology
- National Science Foundation Science and Technology Center
- MIT
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This brief aims to perform security threat assessment of networked control systems with regulatory and supervisory control layers. We analyze the performance of a proportional-integral controller (regulatory layer) and a model-based diagnostic scheme (supervisory layer) under a class of deception attacks. We adopt a conservative approach by assuming that the attacker has knowledge of: 1) the system dynamics; 2) the parameters of the diagnostic scheme; and 3) the sensor-control signals. The deception attack presented here can enable remote water pilfering from automated canal systems. We also report a field-operational test attack on the Gignac canal system located in Southern France.
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