Patching security vulnerabilities in industrial control systems is useless in most cases, expert says. “Operational technology” is a newish term that has emerged to distinguish industrial networks and systems from traditional business-focused information technology. “Our mission is different because it takes on a physical aspect, and therefore focusing on just malware prevention or patching doesn’t actually address a human adversary,” Robert M. Lee says. “Malware is not the threat. The human on the other side of the keyboard is the threat””]