Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: People sit at computers in the 24 hour Operations Room inside GCHQ, Cheltenham in Cheltenham, Britain, November 17, ...

The United States National Security Agency — the country’s premier signals intelligence organisation — recently declassified a Cold War-era document about code-breaking. The 1977 book, written by ...

The United States National Security Agency — the country’s premier signals intelligence organization — recently declassified a Cold War-era document about code-breaking. The first two parts of the ...

CODE breakers could win a gold bar worth up to £29,000 by cracking a series of ground-breaking challenges. The Royal Mint has launched a brand new £5 coin that’s used to solve a series of tough ...

All the Latest Game Footage and Images from Codebreaker Puzzle 1000! ENG & JAN Fill in specified characters to same number blanks to complete all words in puzzle. Content 2000 questions in 4 level ...

All the Latest Game Footage and Images from The Rain Spirit : Code Breaker A First Person , Atmospheric Puzzle Exploratory Game. Uncover a huge interactive world filled with codes , clues and puzzles ...

LONDON (Reuters) - Britain's intelligence and security organization GCHQ is publishing a new book of puzzles in the Autumn aimed at those who fancy themselves as potential code-breakers. The book is ...