The 1977 New York City blackout was famous for the havoc it wreaked throughout the city, including looting and arson. The underlying hardware of the power grid has gone through a lot of improvements since 1977. But recent regulations and improvements have made it rare to experience power outages of more than a few hours in the western world. Malware variants that are used against power supplies can be held responsible for major power outage around the globe. Stuxnet is believed to be designed to destroy the Iranian nuclear program, but it can also be used to bring down power plants.”]