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An Initial Investigation on Sliding Windows for Anomaly-Based Intrusion Detection

Research Area: Uncategorized Year: 2019
Type of Publication: In Proceedings
Authors: Tommaso Zoppi; Andrea Ceccarelli; Andrea Bondavalli
Editor: Chang C.K.,Chen P.,Goul M.,Oyama K.,Reiff-Marganiec S.,Sun Y.,Wang S.,Wang Z.
Book title: IEEE World Congress on Services
ISBN: 978-172813851-0
BibTex:
Abstract:
The growing systems complexity calls for dedicated monitoring and data analysis strategies aiming to detect faults, attacks and errors before they escalate into failures. Distributed and heterogeneous systems are more likely to expose vulnerabilities that attackers may target to get unauthorized access to a system, make it unavailable or steal sensitive data. As countermeasure, traditionally techniques for attacks and intrusion detection are based on signature recognition and requires knowledge on the attacks pattern: therefore, they are not well-suited to detect zero-days attacks. A viable alternative is anomaly detection, where deviation from the expected behavior are suspected as attacks. However, anomaly detection is generally not applicable in systems where the expected behavior changes through time. In this paper we explore anomaly detection strategies based on sliding windows, which are intended for evolving and dynamic systems as IoT, in which system configuration and behavior may change continuously. We first describe the context and the key features of sliding windows, and then we proceed detailing their possible drawbacks. Discussion is substantiated by quantitative analyses directed to evaluate detection capabilities. The experimental campaign is based on state-of-the-art algorithms and datasets, and results have been made publicly available.

Resilient Computing Lab, 2011

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