Privacy-Aware Cyberterrorism Network Analysis using Graph Neural Networks and Federated Learning
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866916751490416640 |
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| author | Ali, Anas Husain, Mubashar Hans, Peter |
| author_facet | Ali, Anas Husain, Mubashar Hans, Peter |
| contents | Cyberterrorism poses a formidable threat to digital infrastructures, with increasing reliance on encrypted, decentralized platforms that obscure threat actor activity. To address the challenge of analyzing such adversarial networks while preserving the privacy of distributed intelligence data, we propose a Privacy-Aware Federated Graph Neural Network (PA-FGNN) framework. PA-FGNN integrates graph attention networks, differential privacy, and homomorphic encryption into a robust federated learning pipeline tailored for cyberterrorism network analysis. Each client trains locally on sensitive graph data and exchanges encrypted, noise-perturbed model updates with a central aggregator, which performs secure aggregation and broadcasts global updates. We implement anomaly detection for flagging high-risk nodes and incorporate defenses against gradient poisoning. Experimental evaluations on simulated dark web and cyber-intelligence graphs demonstrate that PA-FGNN achieves over 91\% classification accuracy, maintains resilience under 20\% adversarial client behavior, and incurs less than 18\% communication overhead. Our results highlight that privacy-preserving GNNs can support large-scale cyber threat detection without compromising on utility, privacy, or robustness. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2505_16371 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Privacy-Aware Cyberterrorism Network Analysis using Graph Neural Networks and Federated Learning Ali, Anas Husain, Mubashar Hans, Peter Cryptography and Security Cyberterrorism poses a formidable threat to digital infrastructures, with increasing reliance on encrypted, decentralized platforms that obscure threat actor activity. To address the challenge of analyzing such adversarial networks while preserving the privacy of distributed intelligence data, we propose a Privacy-Aware Federated Graph Neural Network (PA-FGNN) framework. PA-FGNN integrates graph attention networks, differential privacy, and homomorphic encryption into a robust federated learning pipeline tailored for cyberterrorism network analysis. Each client trains locally on sensitive graph data and exchanges encrypted, noise-perturbed model updates with a central aggregator, which performs secure aggregation and broadcasts global updates. We implement anomaly detection for flagging high-risk nodes and incorporate defenses against gradient poisoning. Experimental evaluations on simulated dark web and cyber-intelligence graphs demonstrate that PA-FGNN achieves over 91\% classification accuracy, maintains resilience under 20\% adversarial client behavior, and incurs less than 18\% communication overhead. Our results highlight that privacy-preserving GNNs can support large-scale cyber threat detection without compromising on utility, privacy, or robustness. |
| title | Privacy-Aware Cyberterrorism Network Analysis using Graph Neural Networks and Federated Learning |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2505.16371 |