A Cracking Story

Nathan is a cracker. A cracker is like a hacker, but tends to be doing slightly more illegal things. If we're talking 'black hat' and 'white hat', Nathan's would be darker than the winter night sky.
One day, poking around on the internet where he shouldn't, Nathan finds a rather interesting program. But what is its purpose? And what encrypted information does it contain that is 'classified'?
This short story for teens is taken from author Jack Goldstein's collection of terrifying tales with a twist - perfect for listening to around a campfire, or late at night when everyone else is asleep...