In figure (5, 6 & 7) accuracy is represented in light
blue, precision in orange, recall in grey and F1 Score
in yellow. The Graphs illustrate the Stacking
Classifier's superior performance across all metrics
and datasets, consistently achieving the highest
accuracy, demonstrating its robustness and
effectiveness in intrusion detection.
5 CONCLUSIONS
In conclusion, this study highlights the critical
importance of robust and efficient intrusion detection
systems (IDS) for securing Internet of Things (IoT)
devices, which are increasingly vulnerable due to
their limited computational and storage resources.
The research explores a variety of machine learning
algorithms, including Decision Tree (
Almotairi et al.,
2024), Random Forest (Wardana, A. A et al., 2024),
KNN Ramesh Kumar, M., & Sudhakaran, P. (2024).,
XGBoost
Gowthami, D., & Vigenesh, M. (2024), DNN
Francis, G. T., Souri, A., & İnanç, N. (2024), CNN
Vyšniūnas, T., Čeponis, D., Goranin, N., & Čenys, A.
(2024).
, and advanced ensemble methods like
Stacking Classifier (DT + RF with LightGBM) and
CNN + LSTM, using datasets from BoT-IoT (
N.
Koroniotis et al., 2019), MedBIoT (Guerra-Manzanares et
al., 2020), and MQTT-IoT-IDS 2020 (H. Hindy et al.,
2021)
. The results reveal that the Stacking Classifier,
combining the strengths of multiple models,
outperforms individual classifiers, achieving
remarkable detection performance. It achieved 100%
accuracy on the BoT-IoT and MedBIoT datasets, and
92.3% accuracy on MQTT-IoT-IDS 2020. These
findings demonstrate that the Stacking Classifier
provides a highly effective, lightweight, and efficient
solution for IoT intrusion detection, significantly
enhancing security in resource-constrained
environments. This method addresses the challenges
posed by IoT devices' limitations while ensuring high
detection accuracy, thereby making a substantial
contribution to improving IoT security in practical
applications.
The future scope of this study includes exploring
more advanced ensemble techniques and hybrid
models to further enhance detection accuracy and
reduce computational overhead. Additionally, the
integration of real-time detection systems,
incorporating adaptive learning algorithms, can
improve the responsiveness to emerging threats.
Future research could also focus on incorporating
anomaly detection and federated learning to address
privacy concerns, enabling scalable and robust
security solutions for diverse IoT environments.
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