Security of SCADA and Industrial Control System : components of industrial control systems, wireless infrastructure in industrial control systems, operational technology and information technology, threats in industrial control systems, attacks on industrial control system, security taxonomics of industrial control systems, cyber risk in industrial control systems, security metrics in industrial control systems, communications gateways, front end processor, ics field devices, type of ics, process control system, distributed control system, building automation system, supervisory control and data acquisition.