Bottom line: An international team of cryptographers have managed to crack a coded message from the Zodiac Killer that has remained a mystery for more than five decades. As exciting as it is that the ...

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 ...

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 ...

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 ...

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 ...

UK intelligence agency GCHQ has celebrated its centenary year by releasing emulators for famous code cipher and code breakers used in World War II. Last week, GCHQ said on Twitter that the public can ...

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 ...

To get a hint of the monstrously difficult task undertaken by the Venona code breakers, consider all the elaborate steps that Soviet agents took to encrypt a secret message. Here’s how it worked, as ...