Metagames and Hypergames for Deception-Robust Control
Journal Article
·
· ACM Transactions on Cyber-Physical Systems
- BATTELLE (PACIFIC NW LAB)
Cyber-physical systems (CPSs) consist of computing and communication devices integrated with physical components such as sensors and actuators. Increasing connectivity to the Internet for remote monitoring and control has made CPSs more vulnerable to deliberate attacks, which are distinctly different from random perturbations in the system. This provides a way for purely cyber attacks to have physical consequences. Stuxnet is a prominent example of such an attack, one in which the malware acted over an extended period of time while deliberately remaining undetected. Such attacks can be described as Advanced Persistent Threats (APTs) -- long-term, stealthy attacks. Here, we extend our previous work on hypergames to develop defender strategies that are robust to deception and do not rely on attack detection. We prove that the defender can bound the attacker payoff with these strategies even when the attacker can choose between different attack modes, and we numerically demonstrate our approach on a realistic building control system. Finally, we discuss next steps in extending this approach towards an operational capability.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1818137
- Report Number(s):
- PNNL-SA-147800
- Journal Information:
- ACM Transactions on Cyber-Physical Systems, Journal Name: ACM Transactions on Cyber-Physical Systems Journal Issue: 3 Vol. 5
- Country of Publication:
- United States
- Language:
- English
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