This solution brief explains how traditional industrial security models based on strict isolation are no longer sufficient in modern, connected environments driven by cloud, IoT, and AI. It highlights how Industry 4.0 and emerging Industry 6.0 systems require dynamic communication across layers, creating new risks for lateral movement. Illumio modernizes the Purdue Model by replacing rigid boundaries with software-defined microsegmentation and Zero Trust enforcement. It provides real-time visibility into traffic across critical layers and enables precise control without disrupting operations. The key takeaway is that industrial security must evolve from static isolation to adaptive, workload-level protection to support AI-driven and highly connected environments.

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