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Security analysis of control system anomaly detectors
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.
2017 (English)In: American Control Conference (ACC), 2017, Institute of Electrical and Electronics Engineers (IEEE), 2017, p. 5500-5506, article id 7963810Conference paper, Published paper (Refereed)
Abstract [en]

Two anomaly detectors for control systems are analyzed with respect to their sensitivity to malicious data injection attacks. A stateless anomaly detector based on the current residual signal is compared to a cumulative sum detector. The worst-case impact of a stealthy time-limited data injection attack is characterized for both detectors by a non-convex optimization problem and compared to determine which detector limits the impact the most. We prove that the problem can be solved by means of a set of convex optimization problems. Simulations verify that finding the right configuration for the cumulative sum is crucial to limit the worst-case attack impact more than with a stateless anomaly detector.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. p. 5500-5506, article id 7963810
Series
Proceedings of the American Control Conference, ISSN 0743-1619
Keywords [en]
Convex optimization, Network security, Optimization
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-212470DOI: 10.23919/ACC.2017.7963810Scopus ID: 2-s2.0-85027011586ISBN: 978-1-5090-5992-8 (electronic)OAI: oai:DiVA.org:kth-212470DiVA, id: diva2:1135573
Conference
2017 American Control Conference, ACC 2017, Sheraton Seattle Hotel, Seattle, United States, 24 May 2017 through 26 May 2017
Projects
CERCES
Note

QC 20170823

Available from: 2017-08-23 Created: 2017-08-23 Last updated: 2017-10-12Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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