It takes a certain type of person to keep the UK safe from hackers, terrorism and organised crime.
They say great minds think alike but at Government Communications Headquarters (GCHQ) in Cheltenham, Gloucestershire they want unique thinkers.
GCHQ is looking for linguists, mathematicians, cryptography enthusiasts with qualifications ranging from PhDs to A'Levels.
But, are you smart enough to become a super spy?
Take the test below to see if you 've got what it takes...
Keep in mind, life rarely gives you multiple choice questions. This is just for fun.
Want to know the workings behind the answers?