NDLI: Finding the Needle: Suppression of False Alarms in Large Intrusion Detection Data Sets

Content Provider	IEEE Xplore Digital Library
Author	Treinen, J.J. Thurimella, R.
Copyright Year	2009
Abstract	Managed security service providers (MSSPs) must manage and monitor thousands of intrusion detection sensors. The sensors often vary by manufacturer and software version, making the problem of creating generalized tools to separate true attacks from false positives particularly difficult. Often times it is useful from an operations perspective to know if a particular sensor is acting out of character. We propose a solution to this problem using anomaly detection techniques over the set of alarms produced by the sensors. Similar to the manner in which an anomaly based sensor detects deviations from normal user or system behavior, we establish the baseline behavior of a sensor and detect deviations from this baseline. We show that departures from this profile by a sensor have a high probability of being artifacts of genuine attacks. We evaluate a set of time-based Markovian heuristics against a simple compression algorithm and show that we are able to detect the existence of all attacks which were manually identified by security personnel, drastically reduce the number of false positives, and identify attacks which were overlooked during manual evaluation.
Starting Page	237
Ending Page	244
File Size	715036
Page Count	8
File Format	PDF
ISBN	9781424453344
DOI	10.1109/CSE.2009.149
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-29
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data privacy Data security Conference management Data engineering Sensor systems intrusion detection anomaly detection markov chain Databases Intrusion detection Hidden Markov models hidden markov model Needles Monitoring
Content Type	Text
Resource Type	Article

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