基于区块链的物联网传感器网络分布式拒绝服务攻击的分析
Kithmini Godewatte Arachchige1, Philip Branch1, Jason But1
1Department of Telecommunications, Electrical, Robotics and Biomedical Engineering, Swinburne University, Melbourne 3122, Australia.
Sensors (Basel, Switzerland)
|May 25, 2024
概括
保护物联网 (IoT) 设备的区块链易受分布式拒绝服务 (DDoS) 攻击. 这些攻击可能导致硬件故障和火灾,但异常指标可以帮助检测它们.
科学领域:
- 计算机科学 计算机科学
- 网络安全 网络安全
- 网络工程 网络工程
背景情况:
- 物联网 (IoT) 在各个行业中提供了巨大的潜力,但由于低功耗,易受攻击的设备,它面临着安全挑战.
- 区块链技术提供了分散和加密等安全功能,使其成为保护物联网网络的有希望的解决方案.
研究的目的:
- 调查将区块链与物联网平台集成的安全漏洞.
- 为了证明基于区块链的物联网系统对分布式拒绝服务 (DDoS) 攻击的易感性.
- 在区块链-物联网系统中识别标志着DDoS攻击或设备故障的异常指标.
主要方法:
- 使用专用区块链测试台进行实验分析,用于物联网平台.
- 在区块链物联网测试台上模拟DDoS攻击.
- 监控关键性能指标,包括设备温度,延迟,带宽,块交易率 (BTR) 和网络块损失百分比.
主要成果:
- 基于区块链的物联网平台容易受到DDoS攻击,可能会导致硬件故障和因极端温度 (超过90°C) 的火灾危险.
- DDoS攻击和硬件损坏显著影响网络性能,导致BTR大幅下降 (接近零块/秒) 和网络块损失增加 (超过50%,高达81.3%).
- 温度,延迟,带宽,BTR和网络块损失的异常可以作为检测DDoS攻击的潜在指标.
结论:
- 区块链和物联网的整合虽然有希望,但引入了必须解决的关键安全漏洞.
- 监控特定的性能指标可以为检测恶意活动提供早期警告,例如区块链-IoT环境中的DDoS攻击.
- 需要进一步的研究来开发强大的安全机制,以保护基于区块链的物联网系统免受此类攻击.
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