Intelligent Systems for Security Informatics

Chapter 4

A Digraph Model for Risk Identification and Management in SCADA Systems

Jian Guan^∗, James H. Graham^† and Jeffrey L. Hieb^†, ^∗Department of Computer Information Systems, University of Louisville, Louisville, Kentucky, USA, ^†Department of Electrical and Computer Engineering, University of Louisville, Louisville, Kentucky, USA

Chapter Outline

4.1 Introduction

4.2 Background

4.3 A Digraph Model of SCADA Systems

4.3.1 Structure of SCADA Systems

4.3.2 A Digraph Model of SCADA Systems

4.3.3 Risk Impact and Identification Algorithms

4.4 Conclusions

References

4.1 Introduction

Supervisory control and data acquisition (SCADA) systems are critical to today’s industrial facilities and infrastructures. SCADA systems have evolved into large and complex ...