Leveraging siamese networks for one-shot intrusion detection model
Hanan Hindy; Tachtatzis, Christos; Atkinson, Robert; Brosset, David; Bures, Miroslav; Andonovic, Ivan; Michie, Craig; Bellekens, Xavier;
Abstract
The use of supervised Machine Learning (ML) to enhance Intrusion Detection Systems (IDS) has been the subject of significant research. Supervised ML is based upon learning by example, demanding significant volumes of representative instances for effective training and the need to retrain the model for every unseen cyber-attack class. However, retraining the models in-situ renders the network susceptible to attacks owing to the time-window required to acquire a sufficient volume of data. Although anomaly detection systems provide a coarse-grained defence against unseen attacks, these approaches are significantly less accurate and suffer from high false-positive rates. Here, a complementary approach referred to as “One-Shot Learning”, whereby a limited number of examples of a new attack-class is used to identify a new attack-class (out of many) is detailed. The model grants a new cyber-attack classification opportunity for classes that were not seen during training without retraining. A Siamese Network is trained to differentiate between classes based on pairs similarities, rather than features, allowing to identify new and previously unseen attacks. The performance of a pre-trained model to classify new attack-classes based only on one example is evaluated using three mainstream IDS datasets; CICIDS2017, NSL-KDD, and KDD Cup’99. The results confirm the adaptability of the model in classifying unseen attacks and the trade-off between performance and the need for distinctive class representations.
Other data
Title | Leveraging siamese networks for one-shot intrusion detection model | Authors | Hanan Hindy ; Tachtatzis, Christos; Atkinson, Robert; Brosset, David; Bures, Miroslav; Andonovic, Ivan; Michie, Craig; Bellekens, Xavier | Keywords | Artificial Neural Network;CICIDS2017;Continuous learning;Few-shot learning;Intrusion detection;NSL-KDD;Siamese Network | Issue Date | 1-Jan-2022 | Publisher | SPRINGER | Journal | Journal of Intelligent Information Systems | ISSN | 09259902 | DOI | 10.1007/s10844-022-00747-z | Scopus ID | 2-s2.0-85141377999 | Web of science ID | WOS:000879127600001 |
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