I think the fact that this line was proposed as a revelation is what's really scary here.
Quote:
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While the electric power industry has expressed concerns about cybersecurity, the recent spate of attacks in Arkansas suggests that the electric power grid is equally if not more vulnerable to physical acts of sabotage.
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They really didn't know that the power grid, which is connected by a series of unguarded lines and substations is vulnerable to physical attacks?
Seems pretty obvious, unplug the chord and the lighty no worky.