Exploring syntactical features for anomaly detection in application logs

Author:

Copstein Rafael1,Karlsen Egil1,Schwartzentruber Jeff2,Zincir-Heywood Nur1,Heywood Malcolm1

Affiliation:

1. 153020 Dalhousie University , Faculty of Computer Science , 6299 South Street , Halifax , NS , Canada

2. 2Keys , 20 Eglinton Ave. W. – Suite 1500 , Toronto , Ontario , Canada

Abstract

Abstract In this research, we analyze the effect of lightweight syntactical feature extraction techniques from the field of information retrieval for log abstraction in information security. To this end, we evaluate three feature extraction techniques and three clustering algorithms on four different security datasets for anomaly detection. Results demonstrate that these techniques have a role to play for log abstraction in the form of extracting syntactic features which improves the identification of anomalous minority classes, specifically in homogeneous security datasets.

Publisher

Walter de Gruyter GmbH

Subject

General Computer Science

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