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<p>The rapid growth of the Unmanned Aerial Vehicles (UAVs) market has led to increased reliance on UAV technologies across various application domains such as aerial Internet of Things (IoT). However, the vulnerability of UAV infrastructure to security threats and attacks poses significant risks. The discovery of robust security measures is crucial for UAVs that operate in hostile environments. This paper proposes a Reputation-enhanced Practical Byzantine Fault Tolerance Algorithm (RePA) to address node capture attacks on UAV networks in adversarial settings. RePA integrates a reputation system into the consensus process, assigning master and candidate nodes based on their reputation values, thereby reducing the likelihood that malicious nodes become decisive. RePA also introduces a replica node that serves as a backup to the master candidate and enhances resilience against node capture attacks. This study advances UAV network security by demonstrating the effectiveness of combining reputation scores with PBFT as a defense mechanism against node capture attacks in hostile environments. An experimental study validates the efficacy, reliability, and performance of RePA.</p>

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Reputation-Enhanced Practical Byzantine Fault Tolerance Algorithm for Node Capture Attacks on UAV Networks

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年5月28日

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  • Peter Onukak,
  • Simeon Ogunbunmi,
  • Yu Chen,
  • Erika Ardiles-Cruz,
  • Erik Blasch,
  • Genshe Chen

摘要

The rapid growth of the Unmanned Aerial Vehicles (UAVs) market has led to increased reliance on UAV technologies across various application domains such as aerial Internet of Things (IoT). However, the vulnerability of UAV infrastructure to security threats and attacks poses significant risks. The discovery of robust security measures is crucial for UAVs that operate in hostile environments. This paper proposes a Reputation-enhanced Practical Byzantine Fault Tolerance Algorithm (RePA) to address node capture attacks on UAV networks in adversarial settings. RePA integrates a reputation system into the consensus process, assigning master and candidate nodes based on their reputation values, thereby reducing the likelihood that malicious nodes become decisive. RePA also introduces a replica node that serves as a backup to the master candidate and enhances resilience against node capture attacks. This study advances UAV network security by demonstrating the effectiveness of combining reputation scores with PBFT as a defense mechanism against node capture attacks in hostile environments. An experimental study validates the efficacy, reliability, and performance of RePA.