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SUBSTITUTION CIPHER
In 1990, Jim Sanborn installed Kryptos with 4 encrypted sections at CIA headquarters. 36 years later, its final section remains unsolved despite decades of codebreakingIn 1990, artist Jim Sanborn installed a curved copper sculpture named Kryptos inside CIA headquarters. Its 1,735 carved letters contain fou...
Pakistan created terror groups to check India and Afghanistan: Former US diplomatsThey said Pakistan's notorious spy agency, the ISI, continues to protect and assist these groups, according to The Cipher Brief.