CNN The Situation Room September 7, 2013 22:32:00
In this process. >> reporter: that pipe is filled with water but it could be filled with oil, even acid. >> when this valve is closed, we should turn off this pump. >> reporter: that didn't happen because these energy researchers were able to hack the controller. >> as an operator, you are completely locked out. >> reporter: it's the same kind used at oil and gas facilities. this hack could cause gas pipes and water tanks to explode or overflow and could represent modern-day warfare, infiltrating the code that makes it run. >> you can cripple an entire country by attacking infrastructure. >> r...