A Transformer-Based Autoencoder with Isolation Forest and XGBoost for Malfunction and Intrusion Detection in Wireless Sensor Networks for Forest Fire Prediction

Ahshanul Haque and Hamdy Soliman ()
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Ahshanul Haque: Department of Computer Science, New Mexico Tech, Socorro, NM 87801, USA
Hamdy Soliman: Department of Computer Science, New Mexico Tech, Socorro, NM 87801, USA

Future Internet, 2025, vol. 17, issue 4, 1-12

Abstract: Wireless Sensor Networks (WSNs) play a critical role in environmental monitoring and early forest fire detection. However, they are susceptible to sensor malfunctions and network intrusions, which can compromise data integrity and lead to false alarms or missed detections. This study presents a hybrid anomaly detection framework that integrates a Transformer-based Autoencoder, Isolation Forest, and XGBoost to effectively classify normal sensor behavior, malfunctions, and intrusions. The Transformer Autoencoder models spatiotemporal dependencies in sensor data, while adaptive thresholding dynamically adjusts sensitivity to anomalies. Isolation Forest provides unsupervised anomaly validation, and XGBoost further refines classification, enhancing detection precision. Experimental evaluation using real-world sensor data demonstrates that our model achieves 95% accuracy, with high recall for intrusion detection, minimizing false negatives. The proposed approach improves the reliability of WSN-based fire monitoring by reducing false alarms, adapting to dynamic environmental conditions, and distinguishing between hardware failures and security threats.

Keywords: forest fire prediction; wireless sensor networks (WSNs); anomaly detection; transformer autoencoder; hybrid machine learning; intrusion detection; adaptive thresholding; environmental monitoring; security (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2025
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