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From Control System Security Indices to Attack Identifiability
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0003-1835-2963
2016 (English)In: 2016 Science of Security for Cyber-Physical Systems Workshop, SOSCYPS 2016, IEEE, 2016, 7580001Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we investigate detectability and identifiability of attacks on linear dynamical systems that are subjected to external disturbances. We generalize a concept for a security index, which was previously introduced for static systems. The index exactly quantifies the resources necessary for targeted attacks to be undetectable and unidentifiable in the presence of disturbances. This information is useful for both risk assessment and for the design of anomaly detectors. Finally, we show how techniques from the fault detection literature can be used to decouple disturbances and to identify attacks, under certain sparsity constraints.

Place, publisher, year, edition, pages
IEEE, 2016. 7580001
National Category
Information Systems Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-202495DOI: 10.1109/SOSCYPS.2016.7580001ISI: 000392264000005Scopus ID: 2-s2.0-84995477535ISBN: 978-1-5090-4304-0 (print)OAI: oai:DiVA.org:kth-202495DiVA: diva2:1077787
Conference
Science of Security for Cyber-Physical Systems Workshop (SoSCYPS), April 11, 2016, Vienna, Austria
Projects
CERCES
Funder
Swedish Research Council, 2013-5523EU, FP7, Seventh Framework Programme, 608224
Note

QC 20170301

Available from: 2017-03-01 Created: 2017-03-01 Last updated: 2017-10-12Bibliographically approved

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Sandberg, Henrik

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