As Americans increasingly buy and install smart devices in their homes, all those cheap interconnected devices create new security problems for individuals and society as a whole. The problem is compounded by businesses radically expanding the number of sensors and remote monitors it uses to manage overhead lights in corporate offices and detailed manufacturing processes in factories. Governments, too, are getting into the act – cities, especially, want to use new technologies to improve energy efficiency, reduce traffic congestion and improve water quality. The number of these “internet of things” devices is climbing into the tens of billions. They’re creating…

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