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Detection of anomalies from user profiles generated from system logs

Corney, Malcolm W., Mohay, George M., & Clark, Andrew J. (2011) Detection of anomalies from user profiles generated from system logs. In Conferences in Research and Practice in Information Technology (CRPIT), Australian Computer Society, Inc., Curtin University, Perth, pp. 23-32.

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Abstract

We describe research into the identification of anomalous events and event patterns as manifested in computer system logs. Prototype software has been developed with a capability that identifies anomalous events based on usage patterns or user profiles, and alerts administrators when such events are identified. To reduce the number of false positive alerts we have investigated the use of different user profile training techniques and introduce the use of abstractions to group together applications which are related. Our results suggest that the number of false alerts that are generated is significantly reduced when a growing time window is used for user profile training and when abstraction into groups of applications is used.

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ID Code: 39585
Item Type: Conference Paper
Additional URLs:
Keywords: user profiling, insider misuse, abstraction
ISBN: 9781920682965
ISSN: 1445-1336
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > COMPUTER SOFTWARE (080300) > Computer System Security (080303)
Divisions: Past > Schools > Computer Science
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Institutes > Information Security Institute
Copyright Owner: Copyright 2011 [please consult the authors]
Deposited On: 21 Jan 2011 10:55
Last Modified: 21 Jun 2011 01:00

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