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When it comes to robots, reality still lags science fiction. But, just because robots have not lived up to their promise in past decades does not mean that they will not arrive sooner or later. Indeed, the confluence of several advanced technologies is bringing the age of robotics ever nearer – smaller, cheaper, more practical and cost-effective.

Automated factories and processes are too expensive to be rebuilt for every design change – so they have to be highly configurable and flexible. To successfully reconfigure an entire production line or process requires direct access to most of its control elements—switches, valves, motors and drives—down to a fine level of detail.

Many of today’s control systems use the same PC hardware, operating system and communications as corporate office and administrative networks. So automation systems security is an urgent issue, perhaps even a critical one.