It was a code-cracking puzzle designed to attract the brightest young minds in the country. But those who successfully worked out the UK intelligence agency's secret message could have been forgiven ...

Please turn on JavaScript. Media requires JavaScript to play. The world's first large-scale, electronic programmable computer was created to do one job - crack Hitler ...

It played a pivotal role in cracking Nazi codes during the Second World War. But yesterday the Germans finally got the better of Britain's Colossus codebreaking computer. The rebuilt machine had been ...

Can you break the code to become a spy? GCHQ attempts a new recruitment drive to target top code breakers, mathematicians and “ethical hackers” as it tries to move beyond the Prism scandal. James Bond ...

Uncover some of the world's most renowned encryptions, revealing how they were decoded, the minds who cracked them and the secrets they masked. Uncover some of the world's most renowned encryptions, ...

Pupils can have a code-cracking Christmas this year with the UK spy agency’s card from GCHQ. Spymasters and codecrackers have compiled the festive puzzle card. It has been sent out by Government ...

Artificial intelligence has been used crack one of the codes originally deciphered in the 1940s at Bletchley Park. It took just 13 minutes and cost £10. And involved a computer recognise German, from ...

Colossus is widely recognised as being one of the first recognisably modern digital computers and was developed to read messages sent by the German commanders during the closing years of WWII. It was ...

Computer historians have staged a re-enactment of World War Two code-cracking at Bletchley Park. A replica code-breaking computer called a Bombe was used to decipher a message scrambled by an Enigma ...