As viruses go there has been none more stealthy or sophisticated. The Stuxnet virus wormed its way into untold numbers of computers around the world back in the summer of 2010. But it was after only one thing - the centrifuges at Iran's Natanz nuclear facility. Our project Game Changer examines the power of Stuxnet to turn Malware into Warfare.

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Part Two of The Current

From Malware to Warfare: The Stuxnet Virus

If you could kill a country with your mouth, the Republican Presidential candidates would have buried Iran a dozen times by now. The U.S. president seems less set on war, but Iran's nuclear ambitions remain a problem for many of the world's governments.

So far, the most effective challenge to Iran's dreams may be a computer virus called Stuxnet. Stuxnet first appeared in the summer of 2010, discovered almost by accident. In the year-and-a-half since, the people who cracked its code have come to believe that it is one of the most sophisticated computer viruses ever seen... a weapon that reached out from cyber-space to destroy a target in the real world.

The Current's Gord Westmacott brings us the story of Stuxnet as a game-changer, with help from freelance journalist Oliver Gardiner. It's called From Malware to Warfare and it's the first of two documentaries we'll have for you this week on the future of cyber-warfare.

Promo - Electric Fog of War Pt 2

Coming up tomorrow on The Current we will have part two of our look at Cyber warfare. We will look at how prepared Canada is to protect itself against a Cyber attack. What a serious attack on this country might look like. And we will also speak with Canadians who have to develop the technical tools to detect and block those attacks.

Other segments from today's show:

• Afghan Civilian Slayings
• Waneek Horn-Miller on improving native health