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FINE-TUNING ICS THREAT MODELS TO PRIORITIZE MITIGATIONS OF THE MOST VULNERABLE DEVICES

Of course, this cannot be further from the truth: ensuring security and safety of industrial control systems has always been the most important job for OT experts. However, after decades of dealing with unique technologies and regulations and with a traditionally strong focus on human and process safety, securing IT assets was by far not their top priority. As industrial networks are becoming increasingly complex, geographically dispersed and interconnected, however, both impact and probability of numerous cybersecurity risks are growing, and the biggest challenge for CISOs nowadays is no longer how to persuade OT people to take notice, but how to evaluate a vast number of potential threats and to prioritize the actions needed to protect their networks.