NDLI: Evidence-Based Techniques for Evaluating Cyber Protection Systems for Critical Infrastructures

Content Provider	IEEE Xplore Digital Library
Author	Darby, J. Phelan, J. Sholander, P. Smith, B. Walter, A. Wyss, G.
Copyright Year	2006
Description	Author affiliation: Sandia Nat. Labs., Albuquerque, NM (Darby, J.; Phelan, J.; Sholander, P.; Smith, B.; Walter, A.; Wyss, G.)
Abstract	Assessing the risk of malevolent attacks against large-scale critical infrastructures requires modifications to existing methodologies. Existing risk assessment methodologies consider physical security and cyber security separately. As such, they do not accurately model attacks that involve defeating both physical protection and cyber protection elements (e.g., hackers turning off alarm systems prior to forced entry). Previous research has developed a risk assessment methodology that accounts for both physical and cyber security, while preserving the traditional security paradigm of detect, delay and respond and accounting for the possibility that a facility may be able to recover from or mitigate the results of a successful attack before serious consequences occur. This research is focused on evidence-based techniques (which are a generalization of probability theory) for evaluating the security posture of the cyber protection systems typically found in critical infrastructure facilities. It presents category-based approaches to characterizing both cyber threats and security primitives such as authentication and network access control. A path-based approach is then used wherein various security primitives protect each link (e.g., attack step) in a given path. The end goal is to evaluate the conditional risk that a given adversary category can traverse an attack path and thereby cause a given consequence of concern. This paper's examples focus on cyber-based attack paths
Starting Page	1
Ending Page	10
File Size	11846378
Page Count	10
File Format	PDF
ISBN	142440617X
DOI	10.1109/MILCOM.2006.302504
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protection Computer security Risk management Large-scale systems Computer hacking Turning Alarm systems Delay Authentication Access control
Content Type	Text
Resource Type	Article

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