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Contents
Aut hors ix
Ch Apt er 1 In trod uC tI on 1
Where is Book Starts and Stops 2
Our Audience 3
What Is an Industrial Control System? 6
Is Industrial Control System Security Dierent an
Regular IT Security? 8
Where Are ICS Used? 9
ICS Compared to Safety Instrumented Systems 14
What Has Changed in ICS at Raises New Concerns? 15
Naming, Functionality, and Components of Typical ICS/
SCADA Systems 18
Supervisory Control and Data Acquisition (SCADA) 19
Remote Terminal Unit (RTU) 20
Distributed Control System (DCS) 20
Programmable Logic Controllers (PLCs) 20
Human–Machine Interface (HMI) 21
Analogue versus IP Industrial Automation 22
Convergence 101: It Is Not Just Process Data Crowding
onto IP 25
Convergence by Another Name 27
Taxonomy ...