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Conference Papers Year : 2011

Anomaly Detection from Network Logs Using Diffusion Maps

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Tuomo Sipola
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  • PersonId : 1014062
Antti Juvonen
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Joel Lehtonen
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  • PersonId : 1014064


The goal of this study is to detect anomalous queries from network logs using a dimensionality reduction framework. The fequencies of 2-grams in queries are extracted to a feature matrix. Dimensionality reduction is done by applying diffusion maps. The method is adaptive and thus does not need training before analysis. We tested the method with data that includes normal and intrusive traffic to a web server. This approach finds all intrusions in the dataset.
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hal-01571332 , version 1 (02-08-2017)


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Tuomo Sipola, Antti Juvonen, Joel Lehtonen. Anomaly Detection from Network Logs Using Diffusion Maps. 12th Engineering Applications of Neural Networks (EANN 2011) and 7th Artificial Intelligence Applications and Innovations (AIAI), Sep 2011, Corfu, Greece. pp.172-181, ⟨10.1007/978-3-642-23957-1_20⟩. ⟨hal-01571332⟩
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