Solving a Hard Instance of Suspicious Behaviour Detection with Sparse Binary Vectors Clustering

Eric Filiol; Abhilash Hota

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Paper

Solving a Hard Instance of Suspicious Behaviour Detection with Sparse Binary Vectors Clustering

In Proceedings of the 5th International Conference on Information Systems Security and Privacy - Volume 1: ForSE, 635-644, 2019 , Prague, Czech Republic

Authors: Eric Filiol and Abhilash Hota

Affiliation: Laboratoire de Virologie et de Cryptologie Opérationnelles, ESIEA, Laval and France

Keyword(s): Machine Learning, Clustering, Sparse Binary Vector, Malicious Behaviour, Infrastructure Security.

Abstract: In this article we present a study dealing with the problem of detecting a very small subset of suspicious and malicious behaviours represented by sparse binary vectors in a population of individuals significantly larger. The main problem lies in the fact that malicious behaviours, in the case of sparse vectors, are difficult to distinguish from normal behaviours. Despite the fact that vectors are apparently strongly unbalanced, this property cannot be exploited since the objects to classify (behaviours) do not exhibit strongly enough frequencies discrepancy. It is not possible to work on detection directly and it is therefore necessary to go through a preliminary phase of vector partitioning (representing normal or malicious behaviour) to select a reduced subset concentrating with a high probability most of the vectors corresponding to malicious behaviours. We have been working on a set of anonymized real data from terrorism-related cases.

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Paper citation in several formats:

Filiol, E. and Hota, A. (2019). Solving a Hard Instance of Suspicious Behaviour Detection with Sparse Binary Vectors Clustering. In Proceedings of the 5th International Conference on Information Systems Security and Privacy - ForSE; ISBN 978-989-758-359-9; ISSN 2184-4356, SciTePress, pages 635-644. DOI: 10.5220/0007347206350644

@conference{forse19,
author={Eric Filiol. and Abhilash Hota.},
title={Solving a Hard Instance of Suspicious Behaviour Detection with Sparse Binary Vectors Clustering},
booktitle={Proceedings of the 5th International Conference on Information Systems Security and Privacy - ForSE},
year={2019},
pages={635-644},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007347206350644},
isbn={978-989-758-359-9},
issn={2184-4356},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Information Systems Security and Privacy - ForSE
TI - Solving a Hard Instance of Suspicious Behaviour Detection with Sparse Binary Vectors Clustering
SN - 978-989-758-359-9
IS - 2184-4356
AU - Filiol, E.
AU - Hota, A.
PY - 2019
SP - 635
EP - 644
DO - 10.5220/0007347206350644
PB - SciTePress