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The Purdue Model, Evolved: Securing AI and Industry 6.0
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Industrial security architecture is changing
The Purdue Model was born in the 1990s to keep industrial plants safe by drawing a hard line between the factory floor and the enterprise.
And for decades, it worked. Teams used its clean boundaries to manage risk and enforce segmentation. The split delivered security through isolation. Even today, the Purdue Model anchors global ICS security standards and holds sway over how organizations build Zero Trust.
Industry 4.0 and the breakdown of barriers
But this model was built for a static world; Industry 4.0 has rewritten the playbook. Modern plants rely on cloud analytics, edge computing, and connected devices that move data across layers once designed to stay apart.
When a sensor must push data to a cloud service in milliseconds, rigid, layer based segmentation becomes a bottleneck. Isolation slows the business. In today’s connected environments, plants need fast, trusted communication — not strict silos.
Up next: Industry 6.0
Industry 6.0 is the next stage of automation. It blends hyper-automation, advanced AI, autonomous systems, and human‑centric design to create production environments that adapt and optimize in real time. Unlike Industry 4.0, these AI systems don’t just follow commands — they orchestrate the whole environment.
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