There has been ongoing, sometimes fierce, debate for more than a decade about the likelihood of a cyberattack taking down the grid and other industrial control systems. The topic hit front pages and major TV news shows recently because retired ABC TV Nightline anchor Ted Koppel is now on tour promoting his new book, Lights Out: A Cyberattack, A Nation Unprepared, Surviving the Aftermath, in which he contends that multiple hostile nation states have already breached those systems.”]