The nation’s approach to cyber security has much in common with medieval defense tactics, and that needs to change, says a cyber security expert at Missouri University of Science and Technology.

“Most of our cyber defenses are modeled after medieval perimeter security – a is much like a castle moat – and the idea of ‘keeping the bad guys out’,” says Dr. Bruce M. McMillin, professor of computer science and associate dean of the College of Engineering and Computing at Missouri S&T. “We live inside modern systems that are both physical and computational, and, in such a smart living environment, attacks can come from multiple different sources, some even inside what we consider protected.”

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