GCHQ, the UK’s intelligence agency, released its annual Christmas card on Wednesday, filled with puzzles and hidden codes. The spy agency's "Chief Puzzler", known as "Colin", said the notoriously ...

If you love testing your mind, then it’s the perfect time of year - the annual GCHQ Christmas quiz and the answers have been released. The UK's intelligence, security and cyber agency creates a ...

If you fancy yourself as a budding spy, GCHQ’s Christmas challenge will put your analytical skills to the test. The UK spy agency, which sets an annual quiz aimed at children aged between 11 and 18, ...

Add Yahoo as a preferred source to see more of our stories on Google. The card was created by both school children and spies (GCHQ) GCHQ, the UK’s intelligence agency, released its annual Christmas ...

Puzzlers rejoice: the GCHQ Christmas quiz has been released. Every year the UK's intelligence, security and cyber agency creates a Christmas Challenge puzzle "aimed at teenagers and young people" that ...

More than 500 schoolchildren took part in a competition to design the cover of the card. They were asked: “What do you think GCHQ looks like on Christmas Day?”, with the additional task of including ...

This is the full card, which you'll need in order to solve the puzzle. If you love testing your mind, then it’s the perfect time of year - the annual GCHQ Christmas quiz and the answers have been ...

Add Yahoo as a preferred source to see more of our stories on Google. This is the full card, which you'll need in order to solve the puzzle. If you love testing your mind, then it’s the perfect time ...