GCHQ has released its “trickiest” ever annual Christmas quiz aimed at secondary school children and adults ready to test their code-breaking skills. The quiz has seven one-word answers, each of which ...

For James Bond, it would be child's play. But do you have what it takes to crack the code in GCHQ's fiendish Christmas card puzzle? GCHQ's in-house puzzlers set to work on seven fiendish brainteasers ...