Managing the risk of the Internet of Things - Control Engineering

"Nearly two decades ago, a disgruntled former employee used network access to remotely release sewage.

In 2007, researchers demonstrated that a generator could be destroyed by remotely opening and closing circuit breakers rapidly.

In 2014, hackers broke into the industrial network of a German steel mill and prevented a blast furnace from shutting down. 

With respect to the more modern IoT devices, a researcher hacked his insulin pump, others managed to compromise smart meters, and, in a segment aired on "60 Minutes," Defense Advanced Research Projects Agency (DARPA) scientists remotely controlled automobile brakes"

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 https://www.controleng.com/articles/managing-the-risk-of-the-internet-of-things/

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