NDLI: An analytical framework for reasoning about intrusions

Content Provider	IEEE Xplore Digital Library
Author	Upadhyaya, S. Chinchani, R. Kwiat, K.
Copyright Year	2001
Description	Author affiliation: Dept. of Comput. Sci. & Eng., State Univ. of New York, Buffalo, NY, USA (Upadhyaya, S.)
Abstract	Local and wide area network information assurance analysts need current and precise knowledge about their system activities in order to address the challenges of critical infrastructure protection. In particular, the analyst needs to know in real-time that an intrusion has occurred so that an active response and recovery thread can be created rapidly. Existing intrusion detection solutions are basically after-the-fact, thereby offering very little in terms of damage confinement and restoration of service. Quick recovery is only possible if the assessment scheme has low latency and it occurs in real-time. The objective of the paper is to develop a reasoning framework to aid in the real-time detection and assessment task that is based on a novel idea of encapsulation of owner's intent. The theoretical framework developed here will help resolve dubious circumstances that may arise while inferring the premises of operations (encapsulated from owner's intent) by way of examining the observed conclusions resulting from the actual operations of the owner. This reasoning is significant in view of the fact that intrusion signaling is not a binary decision unlike error detection in traditional fault tolerance. Our reasoning framework has been developed by leveraging the concepts of cost analysis and pricing under uncertainty found in economics and finance. Our main result is the modeling of user activity on a computing system as a martingale and the subsequent quantification of the cost of performing a job to enable decision making.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Distributed Process
Starting Page	99
Ending Page	108
File Size	153205
Page Count	10
File Format	PDF
ISBN	0769513662
ISSN	10609857
DOI	10.1109/RELDIS.2001.969760
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-10-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Costs Wide area networks Information analysis Protection Yarn Intrusion detection Delay Encapsulation Signal resolution Fault detection
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Computer Networks and Communications Software Hardware and Architecture

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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