An Uneasy Relationship: “Cyber Physical Systems” Need Better Security

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Once upon a time, information technology (IT) and operational technology (OT) quietly lived lives of mutual disinterest: if it was a marriage, it was one of opposites that interacted rarely, didn’t network together or attend the same parties. IT did largely white collar jobs; OT did largely blue collar jobs – handling the hardware and software behind direct industrial controls.

Then these two had a small and talented, but wayward child, the Internet of Things (IoT), which kept clambering into factories and oil rigs, forklift trucks and gas turbines to report on their workings to, well, anyone who chose to

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