[Maybe that is what caused the huge blackout in Brazil?]
Um, probably not. Think foreign hackers hacking into the energy grid.
http://www.google.com/hostednews/afp/article/ALeqM5ixq3Gm6MdDeOd-0bYb53iVENNq5Q
Yes I heard they did in 2005 as well...
Hopefully it does not happen here.....