Mmm, just ponder this. They even quote a Former Deputy Director of the NSA, John Inglis.
I don't think paralysis [of the electrical grid] is more likely by cyberattack than by natural disaster and frankly the number-one threat experienced to date by the US electrical grid is squirrels.
Link:http://www.elkharttruth.com/news/201...squirrels.html

For more the original website:http://cybersquirrel1.com/