Like the work at GCHQ, solving the puzzles on the card requires a mix of minds, and we want to show young people that thinking differently is a gift. 'In order to read the final message these ...

As the UK nears the end of a year full of twists and surprise, the nation’s intelligence and security agency is keeping up tradition by releasing its annual Christmas card puzzle. The GCHQ ...

GCHQ and the US National Security Agency hacked into the internal network of the largest makers of mobile phone SIM cards in the world in order to steal encryption keys and compromise the security ...

GCHQ, Britain's electronic and cyber-intelligence agency, on Wednesday published its annual Christmas Challenge – a seasonal greeting card that doubles as a set of fiendishly difficult puzzles ...

The Christmas tree design on the front of the card is a guide to putting the place names together. Once the place names have been found, taking a single word from each will reveal GCHQ’s ...

The UK's signals intelligence body, GCHQ, has signed a deal with AWS that will see the agency's most classified material stored in a high-security cloud system. As reported by the Financial Times ...