Automatic feature selection for anomaly detection

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

Authors

  • Marius Kloft
  • Ulf Brefeld
  • Patrick Düssel
  • Christian Gehl
  • Pavel Laskov
A frequent problem in anomaly detection is to decide among different feature sets to be used. For example, various features are known in network intrusion detection based on packet headers, content byte streams or application level protocol parsing. A method for automatic feature selection in anomaly detection is proposed which determines optimal mixture coeffcients for various sets of features. The method generalizes the support vector data description (SVDD) and can be expressed as a semi-innite linear program that can be solved with standard techniques. The case of a single feature set can be handled as a particular case of the proposed method. The experimental evaluation of the new method on unsanitized HTTP data demonstrates that detectors using automatically selected features attain competitive performance, while sparing practitioners from a priori decisions on feature sets to be used.
OriginalspracheEnglisch
TitelProceedings of the 1st ACM workshop on Workshop on AISec
HerausgeberDirk Balfanz, Jessica Staddon
Anzahl der Seiten6
ErscheinungsortNew York
VerlagAssociation for Computing Machinery, Inc
Erscheinungsdatum27.10.2008
Seiten71-76
ISBN (Print)978-1-60558-291-7
DOIs
PublikationsstatusErschienen - 27.10.2008
Extern publiziertJa
VeranstaltungAISec '08 - Alexandria, USA / Vereinigte Staaten
Dauer: 27.10.200831.10.2008
Konferenznummer: 1

DOI

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