Chapter 14 Developing a Near-real Time AI-based Network Intrusion Detection System

By Dimitrios Sygletos, Electrical & Computer Engineering Department, Hellenic Mediterranean University Estavromenos, Heraklion Crete, Greece, d.sygletos@pasiphae.eu | Dimitra Papatsaroucha, Electrical & Computer Engineering Department, Hellenic Mediterranean University, Estavromenos, Heraklion Crete, Greece, dpapatsa@hmu.gr | Evangelos K. Markakis, Electrical & Computer, Engineering Department, Hellenic Mediterranean University Estavromenos, Heraklion Crete, Greece, emarkakis@hmu.gr

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Published: 07 May 2025

© 2025 Dimitrios Sygletos | Dimitra Papatsaroucha | Evangelos K. Markakis

Abstract

Delving into the development of an AI-powered Network Intrusion Detection System (NIDS) designed for near-real-time threat detection in IoT networks. It explores the challenges of using outdated datasets for training intrusion detection models and proposes the use of a modern, in-house dataset reflecting current network traffic patterns and vulnerabilities. The chapter details the architecture and implementation of a Deep Learning (DL) model based on Convolutional Neural Networks (CNNs), trained on this dataset to accurately classify network traffic as benign or malicious. The proposed NIDS is evaluated in a realistic network environment, demonstrating its effectiveness in detecting intrusions in near-real time.