One of the problems with security is ROI. If I put in next gen this and next gen that and no security events happen, am I justified in making those expenditures? How do you quantify a risk like that?  Padraic O’Reilly, founder and Chief Innovation Officer at CyberSaint, walks us through the risk analysis for IoT and OT systems, and why it’s important to understand this as we secure our critical infrastructure.