Looking for a Few Good Spies

In an innovative move, the British intelligence services have taken to the internet to recruit new agents.  The British GCHQ is looking for tech-savvy codebreakers by challenging online users to crack a code by entering a keyword on their website, http://canyoucrackit.co.uk.  British GCHQ are hoping that smart techies will be reached by this challenge in ways that normal recruiting would not.  If you’re interested, there are only 8 days left to find the right keyword.  Can you crack it?