A Blockchain Architecture to Increase the Resilience of Industrial Control Systems from the Effects of a Ransomware Attack: A Proposal and Initial Results

IF 2 Q3 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Stephen Kirkman, Steven Fulton, Jeffrey Hemmes, Christopher Garcia, Justin C. Wilson
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引用次数: 0

Abstract

The motivation of this research (and also one of the nation’s cyber goals) is enhancing the resilience of Industrial Control Systems (ICS)/Supervisory Control and Data Acquisition (SCADA) systems against ransomware attacks. ICS and SCADA systems run some of the most important networks in the country: our critical infrastructure (i.e. water flow, power grids, etc.). Disruption of these systems causes confusion, panic, and in some cases loss of life. We propose a SCADA architecture that uses blockchain to help protect ICS data from ransomware. We focus on the historian. In a SCADA system, the historian collects events from devices in the control network for real-time and future analysis. We choose to use Ethereum and its Proof of Stake (PoS) consensus protocol. The other goal of this research focuses on the resilience of blockchain. There is very little research in protecting the blockchain itself. By performing encryption testing on an Ethereum private network, we explore how vulnerable blockchain is and discuss potential ways to make a blockchain client more resilient.
提高工业控制系统抵御勒索软件攻击的能力的区块链架构:建议和初步结果
这项研究的动机(也是国家的网络目标之一)是提高工业控制系统(ICS)/监控与数据采集(SCADA)系统抵御勒索软件攻击的能力。ICS 和 SCADA 系统运行着美国一些最重要的网络:我们的关键基础设施(如水流、电网等)。这些系统的中断会造成混乱、恐慌,有时还会导致生命损失。我们提出了一种 SCADA 架构,使用区块链来帮助保护 ICS 数据免受勒索软件的侵害。我们将重点放在历史记录程序上。在 SCADA 系统中,历史记录程序从控制网络中的设备收集事件,用于实时和未来分析。我们选择使用以太坊及其权益证明(PoS)共识协议。这项研究的另一个目标是区块链的弹性。保护区块链本身的研究很少。通过在以太坊私有网络上进行加密测试,我们探索了区块链的脆弱性,并讨论了使区块链客户端更具弹性的潜在方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ACM Transactions on Cyber-Physical Systems
ACM Transactions on Cyber-Physical Systems COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS-
CiteScore
5.70
自引率
4.30%
发文量
40
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