NDLI: Impact of IT monoculture on behavioral end host intrusion detection

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Impact of IT monoculture on behavioral end host intrusion detection

Impact of IT monoculture on behavioral end host intrusion detection

Content Provider	ACM Digital Library
Author	Giroire, Frederic Faloutsos, Michalis Huang, Ling Chandrashekar, Jaideep Barman, Dhiman Taft, Nina
Abstract	In this paper, we study the impact of today's IT policies, defined based upon a monoculture approach, on the performance of endhost anomaly detectors. This approach leads to the uniform configuration of Host intrusion detection systems (HIDS) across all hosts in an enterprise networks. We assess the performance impact this policy has from the individual's point of view by analyzing network traces collected from 350 enterprise users. We uncover a great deal of diversity in the user population in terms of the "tail" behavior, i.e., the component which matters for anomaly detection systems. We demonstrate that the monoculture approach to HIDS configuration results in users that experience wildly different false positive and false negatives rates. We then introduce new policies, based upon leveraging this diversity and show that not only do they dramatically improve performance for the vast majority of users, but they also reduce the number of false positives arriving in centralized IT operation centers, and can reduce attack strength.
Starting Page	27
Ending Page	36
Page Count	10
File Format	PDF
ISBN	9781605584430
DOI	10.1145/1592681.1592686
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-08-21
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Measurement Host intrusion detection Enterprise management User profile Anomaly detection
Content Type	Text
Resource Type	Article

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