NDLI: A Non-Intrusive Approach to Enhance Legacy Embedded Control Systems with Cyber Protection Features

Content Provider	IEEE Xplore Digital Library
Author	Shangping Ren Kwiat, K.
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Sci., Illinois Inst. of Technol., Chicago, IL (Shangping Ren; Kwiat, K.)
Abstract	Unlike general purpose systems, distributed and embedded control systems, such as power grid control systems and water treatment systems, etc., generally have a 24x7 availability requirement. Hence, upgrading or adding new cyber protection features into these systems in order to sustain them when faults caused by cyber attacks occur, is often difficult to achieve and inhibits the evolution of these systems into a cyber environment. In this paper, we present a solution for extending the capabilities of existing systems while simultaneously maintaining the stability of the current systems. An externalized survivability management scheme based on the observe-reason-modify paradigm is applied, which decomposes the cyber attack protection process into three orthogonal subtasks: observation, evaluation and protection. This architecture provides greater flexibility and has an evolvability attribute - it can utilize emerging techniques; yet requires either minimal modifications or even no modifications whatsoever to the controlled infrastructures. The approach itself is general and can be applied to a broad class of observable systems.
Starting Page	1180
Ending Page	1187
File Size	613042
Page Count	8
File Format	PDF
ISBN	9780769531021
DOI	10.1109/ARES.2008.24
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-04
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Availability Control systems Physical layer Power grids Power system security feedback loop Power system protection behavior observation Cities and towns Computer networks Power system reliability legacy control systems Computer security
Content Type	Text
Resource Type	Article

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