Sizable fines for cybersecurity breaches are being imposed by industry regulators putting the need for IT security higher on the priority list of Business Leaders and yet control networks such as building automation and production envinvonments are often not the focus of any real attention. Cybersecurity for industrial control networks is a challenge in itself for many reasons. Unexplained or overlapping responsibilities, technical problems, lack of experience on the part of the plant operator and the security experts in the company, to name just a few. Most corporate control systems are critical infrastructures in terms of their role in operational availability and business success. This includes systems such as a data-center air conditioning, fire alarm, medical equipment, elevator ...