It was the storm that would forever change the course of human destiny.

We worried for decades about WMDs – Weapons of Mass Destruction. Now it is time to worry about a new kind of WMDs – Weapons of Mass Disruption.

The nations, of course, that are most at risk of a destructive digital attack are the ones with the greatest connectivity. Marcus Ranum, one of the early innovators of the computer firewall, called Stuxnet ‘a...