South Korean Spy Luck, or Pearls of Wisdom

For weeks, counterintelligence officials at South Korea's spy agency struggled to crack a tiny adversary — a locked USB stick that they believed was the key to proving that a South Korean labor activist followed orders from the North to foment unrest in the South...

The solution to this dilemma was randomly discovered by a NIS agent, who stumbled upon a string of gibberish written in the Latin alphabet that read, “rntmfdltjakfdlfkehRnpdjdiqhqoek,” in another data storage device owned by Seok. 

When the NIS agent typed out Korean letters in the same locations on a computer keyboard as these Latin letters in the same order, they spelled out, “Even three sacks of pearls only turn into treasure if you weave them together.”

The Korean proverb proved key to uncovering the cipher officials needed to crack the USB and the word document inside it. more