Rethinking OT security for project-heavy shipyards

Shipyards operate in a world of constant contradiction. On the one hand, you have heavy industrial infrastructure that is expected to run reliably for decades. On the other, every vessel under construction creates a temporary, project-driven environment with its own systems, people and access requirements. That combination fundamentally alters the threat surface.

Unlike static OT environments, there is rarely a true steady state. Networks change as projects progress. Temporary systems appear during commissioning and disappear again. Access that made sense last month may quietly remain enabled long after the original task has finished.

Over time, this creates configuration drift that is hard to see until something goes wrong.

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