Contents: 1. Introduction 1.1 Where This Book Starts and Stops 1.2 Our Audience 1.3 What Is an Industrial Control System? 1.4 Is Industrial Control System Security Different Than Regular IT Security? 1.5 Where Are ICS Used? 1.6 ICS Compared to Safety Instrumented Systems 1.7 What Has Changed in ICS That Raises New Concerns? 1.8 Naming, Functionality, and Components of Typical ICS / SCA…