Challenge, a seasonal greeting card that doubles as a set of fiendishly difficult puzzles, has been an annual tradition since 2015.

This year’s Christmas card from the UK spy agency features a map of the UK and Northern Ireland, reflecting a ...

If the hints just aren't working and you're about ready to snap your pencil in two, here are the answers to the 2024 GCHQ ...

Seven puzzles are contained in the UK spy agency’s Christmas card, which features a map of the UK and Northern Ireland in a ...

The government agency usually deals with threats to national security - but it has also challenged Scots with a festive ...

GCHQ has released its annual Christmas puzzle test, with the agency hoping the brainteaser will encourage children and adults ...

PUT your spy skills to the test with this year’s “fiendish” GCHQ Christmas puzzle. Britain’s cyber spy agency has released ...

Colin, GCHQ’s chief puzzler, released a quote with a secret message hidden within it. He said: “We are delighted to be ...

Britain's spy agency GCHQ has released its annual Christmas puzzle challenge, designed to test the skills of would-be ...

The UK's spy agency has released its annual Christmas challenge and invited families to take part to see if they have what it ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...