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Music It would be irresponsible for someone of my background to even speculate.

But it's not speculation to know that someone just used a cyber weapon to affect damage,

not in the cyber domain, but in the physical domain.

That's the first significant crossover that we've

seen. Now look, I tell audiences that crashing a thousand centrifuges at a time is almost an unalloyed

good. But when you describe what just happened there in a slightly different way, someone just used a

cyber weapon during a time of peace to affect physical destruction in what another nation would only describe as critical infrastructure.

Well, you've got to realize that although that was a good deal, it was also a really big deal.

And it does have second and third order effects.

A new class of weapons has been used.

Go deeper into history and say somebody's crossed the Rubicon. We've got a legion

on the different side of the river now. Well, welcome to the rest is classified. I am David McCloskey.

And I'm Gordon Carrara. And that, Gordon, is an interview that you did. Those are not your words,

but those of General Michael Hayden, former director of the NSA and the CIA in an interview with you back in 2013, not taking responsibility for Stuxent, but commenting on the sort of world-changing implications of this cyber weapon.

And we are now, dear friends,

in the final episode of our series on this really first attack on Iran's nuclear program.

And the U.S. and Israel have unleashed this code, which has come to be known as Stuxnet,

which has targeted Iran's very precious

centrifuges with this kind of remarkable precision and sophistication. And the Iranians,

...