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Application of growing hierarchical SOM for visualisation of network forensics traffic data
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Palomo, E. J., North, J., Elizondo, D., Luque, R. M. and Watson, Tim (2012) Application of growing hierarchical SOM for visualisation of network forensics traffic data. Neural Networks, 32 . pp. 275-284. doi:10.1016/j.neunet.2012.02.021
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Official URL: http://dx.doi.org/10.1016/j.neunet.2012.02.021
Abstract
Digital investigation methods are becoming more and more important due to the proliferation of digital crimes and crimes involving digital evidence. Network forensics is a research area that gathers evidence by collecting and analysing network traffic data logs. This analysis can be a difficult process, especially because of the high variability of these attacks and large amount of data. Therefore, software tools that can help with these digital investigations are in great demand. In this paper, a novel approach to analysing and visualising network traffic data based on growing hierarchical self-organising maps (GHSOM) is presented. The self-organising map (SOM) has been shown to be successful for the analysis of highly-dimensional input data in data mining applications as well as for data visualisation in a more intuitive and understandable manner. However, the SOM has some problems related to its static topology and its inability to represent hierarchical relationships in the input data. The GHSOM tries to overcome these limitations by generating a hierarchical architecture that is automatically determined according to the input data and reflects the inherent hierarchical relationships among them. Moreover, the proposed GHSOM has been modified to correctly treat the qualitative features that are present in the traffic data in addition to the quantitative features. Experimental results show that this approach can be very useful for a better understanding of network traffic data, making it easier to search for evidence of attacks or anomalous behaviour in a network environment.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | Neural Networks | ||||
| Publisher: | Pergamon | ||||
| ISSN: | 0893-6080 | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| Volume: | 32 | ||||
| Page Range: | pp. 275-284 | ||||
| DOI: | 10.1016/j.neunet.2012.02.021 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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