Rob Hulsebos is a software engineer with 30+ years of experience in industrial networking. Rob has worked in software implementation, customer support, machine building, and field tech support. His experience in this area has led him to publish several hundred articles, and several books about Fieldbus technology, Industrial Ethernet, and Modbus. Rob has also been a freelance teacher in this subject for over 25 years for companies in the Netherlands, and at the Avans University of Applied Science in the Netherlands. Since 2010, he has also been active in industrial cybersecurity, specifically involved with the discovery of the purpose of the Stuxnet virus. He published a book about industrial cybersecurity for beginners. Since 2018, Rob has worked for Forescout to support OT network protocols and OT systems in the Forescout "eyeInspect" product.