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Title: Cyber-Physical Attacks With Control Objectives

This study studies attackers with control objectives against cyber-physical systems (CPSs). The goal of the attacker is to counteract the CPS's controller and move the system to a target state while evading detection. We formulate a cost function that reflects the attacker's goals, and, using dynamic programming, we show that the optimal attack strategy reduces to a linear feedback of the attacker's state estimate. By changing the parameters of the cost function, we show how an attacker can design optimal attacks to balance the control objective and the detection avoidance objective. In conclusion, we provide a numerical illustration based on a remotely controlled helicopter under attack.
Authors:
ORCiD logo [1] ; ORCiD logo [1] ; ORCiD logo [1]
  1. Carnegie Mellon Univ., Pittsburgh, PA (United States). Dept. of Electrical and Computer Engineering
Publication Date:
Grant/Contract Number:
OE0000779; DARPA FA8750-12-2-0291
Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Automatic Control
Additional Journal Information:
Journal Volume: 63; Journal Issue: 5; Journal ID: ISSN 0018-9286
Publisher:
IEEE
Research Org:
Carnegie Mellon Univ., Pittsburgh, PA (United States)
Sponsoring Org:
USDOE Office of Electricity Delivery and Energy Reliability (OE); Defense Advanced Research Projects Agency (DARPA) (United States)
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING; attack detection; cyber-physical systems (CPSs); optimal control; security
OSTI Identifier:
1433632

Chen, Yuan, Kar, Soummya, and Moura, Jose M. F.. Cyber-Physical Attacks With Control Objectives. United States: N. p., Web. doi:10.1109/TAC.2017.2741778.
Chen, Yuan, Kar, Soummya, & Moura, Jose M. F.. Cyber-Physical Attacks With Control Objectives. United States. doi:10.1109/TAC.2017.2741778.
Chen, Yuan, Kar, Soummya, and Moura, Jose M. F.. 2017. "Cyber-Physical Attacks With Control Objectives". United States. doi:10.1109/TAC.2017.2741778. https://www.osti.gov/servlets/purl/1433632.
@article{osti_1433632,
title = {Cyber-Physical Attacks With Control Objectives},
author = {Chen, Yuan and Kar, Soummya and Moura, Jose M. F.},
abstractNote = {This study studies attackers with control objectives against cyber-physical systems (CPSs). The goal of the attacker is to counteract the CPS's controller and move the system to a target state while evading detection. We formulate a cost function that reflects the attacker's goals, and, using dynamic programming, we show that the optimal attack strategy reduces to a linear feedback of the attacker's state estimate. By changing the parameters of the cost function, we show how an attacker can design optimal attacks to balance the control objective and the detection avoidance objective. In conclusion, we provide a numerical illustration based on a remotely controlled helicopter under attack.},
doi = {10.1109/TAC.2017.2741778},
journal = {IEEE Transactions on Automatic Control},
number = 5,
volume = 63,
place = {United States},
year = {2017},
month = {8}
}