Utilities Must Constantly Be on Offense in Cat-and- Mouse Game Against Hackers

By Mike Prescher and James Yang For power suppliers wanting to be vigilant about the threat that hackers pose to the grid, a March 2019 intrusion may have been a benign warning about vulnerability. When hackers disabled a Utah-based renewable energy developer’s control system for about a dozen solar and wind farms in the West, the grid’s operators were left blinded for more than 10 hours to those 500 megawatts of generation sites. Thankfully, no

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