Will the UK survive the international hack?

Following on from the ID cards stuff in recent days and the Government's belief that it can build systems that simply cannot be hacked into, I wonder how the UK will fair in a few days time when Cyber Storm II begins?

Cyber Storm II is an international hacking exercise operated by the Department of Homeland Security that will see the national security of Australia, the United States, Canada, the UK and New Zealand put to the test between March 11 to 14.

More info on ComputerWorld.