Until the start of this decade, the issue of security in industrial applications was often a secondary issue--on the radar screen, but not front burner. Safety was always paramount and generally addressed through instrumentation, fail-safe design, documented procedures, training, and good management. Today, the world is very different, and security has become the new, high-priority issue. Protecting the operating integrity of a plant, a system, and personnel is now a strategic imperative.
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