Author

A. Alajaji

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Open access 2026

FedShield: Configurable Mean–Median Robust Aggregation for Poisoning-Resilient Federated Healthcare-IoT Learning

Federated learning lets healthcare-IoT and Internet of Medical Things (IoMT) systems train shared models without centralizing sensitive records, but poisoned client updates can degrade the global model, and the Byzantine-robust aggregators meant to prevent this behave unevenly across the non-IID data partitions these d...

A. Alajaji, Maryam Jamal Alablani, M. M. Hassan · IEEE Access · 0 citations

Open access 2026

Feature-Space Adversarial Robustness Evaluation of Lightweight ML-Based Intrusion Detection for IoT and Healthcare-Sensing Networks

Machine learning (ML)-based Network Intrusion Detection Systems (NIDS) are increasingly deployed in IoT and healthcare-sensing networks. Reported robustness depends on how it is measured: evaluations relying on attacks transferred from a surrogate cannot separate a robust decision boundary from a merely dissimilar one,...

A. Alajaji, Rawan Alharbi, M. M. Hassan et al. · IEEE Access · 0 citations