(SSPL/Getty Images) Peter Westcombe, founder of the Bletchley Park Trust, explains in detail how the Enigma machine works and how its codes were broken by the code-breakers at Bletchley Park.

Led by the brilliant Alan Turing, inventor of the computer, the codebreakers of England's cipher-cracking organization ... Later in the war, there were a number of lazy operators in underemployed ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction ...

A code-breaker who played a key role in decrypting ... enabling them to reduce the number of Allied ships destroyed by the German navy from about 100 a month to only two a month by November ...

Code-breakers have cracked a 340-character cipher 51 years after it was purportedly sent to the San Francisco Chronicle by the so-called Zodiac Killer, the FBI has confirmed. The killer ...