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April 7, 2026SensorsOpen Access

NetworkGuard: An Edge-Based Virtual Network Sensing Architecture for Real-Time Security Monitoring in Smart Home Environments

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Authors

DKDalia El KhaledRARaghad AlOtaibiNNNuria Novas

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Overview

NetworkGuard demonstrates effective real-time security monitoring in smart homes, highlighting potential for enhanced safety.

Key Points

  • The research aims to develop a modular architecture for real-time security monitoring in smart home environments using edge computing.
  • Implemented on Raspberry Pi 4 with an Android interface for management
  • Integrated DNS filtering, firewall enforcement, and encrypted VPN tunneling
  • Conducted a six-week residential deployment to assess performance
  • Performed controlled validation scenarios to test various network security aspects
  • DNS blocking efficiency increased from 81.2% to 97.0% after refining the blocklist
  • VPN connection establishment time decreased from 3012 ms to 2410 ms due to configuration tuning
  • Stable tunnel latency was maintained under moderate traffic conditions
  • Consistent firewall enforcement and tunnel containment were confirmed during testing

Cite This Study

Khaled et al. (2026) studied this question.

synapsesocial.com/papers/69d49f8ab33cc4c35a228076https://doi.org/10.3390/s26072231
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