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The Journal of Information and Optimization Sciences (JIOS) is a world leading journal publishing high quality, rigorously peer-reviewed original research in all mathematically-oriented theoretical and applied topics in information sciences, optimization sciences and related areas since 1980. Subjects include but are not limited to: • Information Sciences • Optimization Sciences • Control Theory • Operational Research • Decision Sciences • Information Theory • Information Technology • Computer Networks and Communications • Mathematical Programming • Modelling and Simulation • Database Management • Applications to Engineering Sciences • Applications to Technology

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Open Access Research Article

Hybrid deep learning-based IoT intrusion detection : A comparative study of CNN, GRU, LSTM, and hybrid architectures

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pp. 1983–1994Vol. 46Issue 6September 2025DOI: 10.47974/JIOS-2027XML
Received:
10 Dec 2024
Published Online:
01 Sep 2025
Article type:
Research Article
Language:
EN
Article no.:
JIOS-2027
Pages:
1983–1994

Abstract

Cyber-physical systems, particularly Internet of Things devices, pose significant cybersecurity challenges due to their vast volume, speed, and complexity of network traffic and attack vectors. This research presents an innovative hybrid deep learning technique to improve intrusion detection by taking full advantage of spatial and temporal characteristics from IoT network traffic. In this paper, we conduct a systematic study to compare different deep learning models, including CNN, GRUs, and LSTM networks, as well as their hybrid architectures such as CNN- GRU and CNN-LSTM on real-world NB-IoT dataset with benign traffic traces mixed up against targeted attacks from Mirai/Gafgyt botnets. The CNN-LSTM hybrid model demonstrated significant performance in IoT intrusion detection, achieving accuracy rates of 94.7%, precision of 94.6%, recall of 94.7%, and F1-score of 94.6%.

Keywords

Subject Classifications

68T0768T4568M10

References

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