For 51 years, one of the Zodiac Killer’s puzzling codes he sent in letters to newspapers in the late 1960s and early 1970s has confounded the cryptography community, law enforcement and curious ...

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, who was never ...

SAN FRANCISCO -- Experts have solved the code in the "340 Cipher" sent to the San Francisco Chronicle in 1969 by the Zodiac Killer, the elusive figure who terrorized California's Bay Area decades ago ...

Dec. 12 (UPI) --A group of private citizens say they've broken an encoded message sent by the so-called "Zodiac Killer" to a San Francisco newspaper more than five decades ago. The code-breakers said ...

Code- and cipher-breaking have been in operation for centuries. However, cryptanalysis – the art of deciphering encoded messages – took on a new importance during WW2 as British boffins strived to ...

What better way to recruit potential code breakers than to advertise in cipher? That's what the NSA did Monday morning with this mysterious tweet: According to The Washington Post, if you're good at ...

Mary, Queen of Scots, entered a courtroom at Fotheringhay castle on Oct. 15, 1586, to face charges of treason in an assassination plot against her kinswoman and queen, Elizabeth I of England. Mary sat ...

Code- and cipher-breaking have been in operation for centuries. However, cryptanalysis – the art of deciphering encoded messages – took on a new importance during WW2 as British boffins strived to ...

According to The Washington Post, if you're good at breaking substitution ciphers, this is what you'd come up with: "want to know what it takes to work at nsa? check back each monday as we explore ...