Illumio’s white paper with BT outlines how IT/OT convergence, driven by IoT and smart devices, increases cyber risk as air gaps prove insufficient. Legacy OT systems lack security controls, while IT teams often lack OT expertise. Using the Purdue Model, Illumio advocates a Zero Trust, micro-segmentation approach for visibility, policy testing, and rapid containment without production downtime. This limits ransomware spread by restricting unnecessary ports and connections. BT complements with managed threat detection, OT protocol analysis, and vulnerability scanning, helping organizations secure converged networks and maintain operational resilience.

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