CHAPTER Introduction to Industrial Network Security 3 INFORMATION IN THIS CHAPTER: l The Importance of Securing Industrial Networks The Impact of Industrial Network Incidents Examples of Industrial Network Incidents APT and Cyber War l l l Securing an industrial network, although similar in many ways to standard enter- prise information security, presents several unique challenges. Because industrial systems are built for reliability and longevity, the systems and networks used are easily outpaced by the tools employed by an attacker. An industrial control system may be expected to operate without pause for months or even years, and the overall