Safety envelope for security
Tiwari, Ashish, Dutertre, Bruno, Jovanović, Dejan, de Candia, Thomas, Lincoln, Patrick D., Rushby, John, Sadigh, Dorsa, & Seshia, Sanjit (2014) Safety envelope for security. In Proceedings of the 3rd International Conference on High Confidence Networked Systems (HiCoNs '14), ACM, Berlin, pp. 85-94.
We present an approach for detecting sensor spoofing attacks on a cyber-physical system. Our approach consists of two steps. In the first step, we construct a safety envelope of the system. Under nominal conditions (that is, when there are no attacks), the system always stays inside its safety envelope. In the second step, we build an attack detector: a monitor that executes synchronously with the system and raises an alarm whenever the system state falls outside the safety envelope. We synthesize safety envelopes using a modified machine learning procedure applied on data collected from the system when it is not under attack. We present experimental results that show effectiveness of our approach, and also validate the several novel features that we introduced in our learning procedure.
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|Item Type:||Conference Paper|
|Keywords:||Hydrid systems, Invariants, Safety envelopes, Security|
|Divisions:||Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2014 ACM New York, NY, USA|
|Deposited On:||06 Apr 2015 23:12|
|Last Modified:||07 Apr 2015 22:59|
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