In his latest documentary, Zero Days, director Alex Gibney explores the alarming damage that the manipulation of computer code could do to our nation's - and any nation's - infrastructure.
Gibney is a prolific filmmaker who's work includes investigations of Enron and Scientology.
He stopped by the studios recently and kicked off his chat with A Martinez with where his film begins - a cyberattack on an Iranian nuclear plant using a program called Stuxnet.
To hear the entire interview, please click on the blue player above.