This Unbreakable CIA Cipher Fooled the World for 37 Years. Then Two People Accidentally Solved It.

A single leaked hint exposed the CIA’s most puzzling code. But dozens of the world’s toughest ciphers are still waiting to be ...
Scientific American

How the World’s Most Famous Code Was Cracked

How does one crack the world’s most famous code? The breakthroughs on Kryptos provide a guided tour through the cat and mouse game between code makers and code breakers that has defined information ...
Smithsonian Magazine

Code Breakers Discover—and Decipher—Long-Lost Letters by Mary, Queen of Scots

The deposed monarch wrote the 57 encrypted messages during her captivity in England Cool Finds Meilan Solly - Senior Associate Digital Editor, History All but seven of the letters were previously ...
Daily Mail

They look like random numbers but America's most uncrackable code is worth $60M: Inside the wild treasure hunt

America's greatest unsolved code leads to a $60million treasure - but no one has been able to crack it for 180 years. The mystery of the Beale ciphers begins in 1885, when a small pamphlet with three ...