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What you may not know is that the BBC makes podcasts about all kinds of things like pop stars,

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BBC World Service, this is Helen and Merriman with the inquiry.

This week, how scary is cyber warfare.

Two weeks ago on a clear morning in the North Atlantic,

the island of Burrillia came under attack.

Hackers broke into the networks of its drone manufacturing plant, taking control of the

machines. A team of Burrilli brilliant cyber warriors set out to find those responsible.

Just a few hours later, its power grid went down.

There was panic, and amidst the panic, talk of a full-on cyber war with a neighboring

state of crimsonia. Now, don't worry if you've never heard of Burrillia or Krimsonia.

As you've probably guessed, they're not real countries.

This was a NATO military exercise that took place in April,

involving over 400 people from 16 countries.

NATO says it was the most advanced live-fire cyber defense exercise ever carried out.

The point of it all? To help countries prepare for cyber war.

Here's how former US Secretary of Defense, Leon Panetta, described the threat a few years ago.

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