The notion that physical attacks can be transposed through the cyber realm was considered Hollywood-esque and a joke until a few years ago. However, the current nature of attacks that are carried out on industrial and nuclear facilities, such as the Stuxnet attack, has made this fear a tangible reality and has put cybersecurity, in relation to critical infrastructure, on the radar. With the increasing significance of Industrial Control Systems (ICS) cybersecurity, it's necessary to understand how ICS infrastructure attacks operate and the threats related to them.
In this chapter, we will focus on introducing the technical groundwork and practical procedures for securing critical cyber and physical infrastructures, ...