Dr Zeeshan Ahmad z.ahmad1@rgu.ac.uk
Research Fellow
MS-ADS: multistage spectrogram image-based anomaly detection system for IoT security.
Ahmad, Zeeshan; Khan, Adnan Shahid; Zen, Kartinah; Ahmad, Farhan
Authors
Adnan Shahid Khan
Kartinah Zen
Farhan Ahmad
Abstract
The innovative computing idea of Internet-of-Things (IoT) architecture has gained tremendous popularity over the last decade, resulting in an exponential increase in the connected devices and the data processed in the IoT networks. Since IoT devices collect a massive amount of sensitive information exchanged over the traditional internet, security has become a prime concern due to the more frequent generation of network anomalies. A network-based anomaly detection system can provide the much-needed efficient security solution to the IoT network by detecting anomalies at the network entry points through constant traffic monitoring. Despite enormous efforts by researchers, these detection systems still suffer from lower detection accuracy in detecting anomalies and generate a high false alarm rate and false-negative rate in classifying network traffic. To this end, this paper proposes an efficient Multistage Spectrogram image-based network Anomaly Detection System (MS-ADS) using a deep convolution neural network that utilizes a short-time Fourier Transform to transform flow features into spectrogram images. The results demonstrate that the proposed method achieves high detection accuracy of 99.98% with a reduction in the false alarm rate to 0.006% in classifying network traffic. Also, the proposed scheme improves predicting the anomaly instances by 0.75% to 4.82%, comparing the benchmark methodologies to exhibit its efficiency for the IoT network. To minimize the computational and training cost for the model re-training phase, the proposed solution demonstrates that only 40500 network flows from the dataset suffice to achieve a detection accuracy of 99.5%.
Citation
AHMAD, Z., KHAN, A.S., ZEN, K. and AHMAD, F. 2023. MS-ADS: multistage spectrogram image-based anomaly detection system for IoT security. Transactions on emerging telecommunications technologies [online], 34(8), article number e4810. Available from: https://doi.org/10.1002/ett.4810
Journal Article Type | Article |
---|---|
Acceptance Date | May 25, 2023 |
Online Publication Date | Jun 19, 2023 |
Publication Date | Aug 31, 2023 |
Deposit Date | May 13, 2024 |
Publicly Available Date | May 13, 2024 |
Journal | Transactions on emerging telecommunications technologies |
Electronic ISSN | 2161-3915 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 34 |
Issue | 8 |
Article Number | e4810 |
DOI | https://doi.org/10.1002/ett.4810 |
Keywords | Systems security; Internet of Things (IoT); Anomaly detection |
Public URL | https://rgu-repository.worktribe.com/output/2243575 |
Files
AHMAD 2023 MS-ADS (VOR)
(3.3 Mb)
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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