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首页> 外文会议>2011 IEEE International Conference on Intelligence and Security Informatics >A digraph model for risk identification and mangement in SCADA systems
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A digraph model for risk identification and mangement in SCADA systems

机译：有向图模型，用于SCADA系统中的风险识别和管理

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摘要

Supervisory control and data acquisition (SCADA) systems are critical to today's industrial facilities and infrastructures. SCADA systems have evolved into large and complex networks of information systems and are increasingly vulnerable to various types of cyber-security risks. Identifying and managing risks in SCADA systems has become critical in ensuring the safety and reliability of these facilities and infrastructures. Most of the existing research on SCADA risk modeling and management has focused on probability-based or quantitative approaches. While probabilistic approaches have proven to be useful, they also suffer from common problems such as simplifying assumptions, large implementation costs, and inability to completely capture all the important aspects of risk. This paper proposes a digraph model for SCADA systems that allows formal, explicit representation of a SCADA system. A number of risk management methods are presented and discussed for a SCADA system based on the proposed model. The methods are applied to a chemical distillation application as a case study, and shows promising initial results in identifying areas of system vulnerability.
机译：监控和数据采集（SCADA）系统对于当今的工业设施和基础设施至关重要。 SCADA系统已经发展成为大型且复杂的信息系统网络，并且越来越容易受到各种类型的网络安全风险的影响。识别和管理SCADA系统中的风险对于确保这些设施和基础设施的安全性和可靠性至关重要。现有的有关SCADA风险建模和管理的研究大多集中在基于概率的方法或定量方法上。尽管概率方法已被证明是有用的，但它们也遭受一些常见问题的困扰，例如简化假设，庞大的实施成本以及无法完全捕捉风险的所有重要方面。本文为SCADA系统提出了一个有向图模型，该模型允许SCADA系统的形式化，显式表示。提出并讨论了基于所提出模型的SCADA系统的多种风险管理方法。该方法以案例研究的形式应用于化学蒸馏应用，在确定系统脆弱性区域方面显示出令人鼓舞的初步结果。

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