An anonymous group posted internet puzzles to recruit code-breakers, then vanished

Cicada 3301 is the name of "three sets of puzzles posted under the name '3301' online between 2012 and 2014." The first appeared on 4chan on January 4, 2012, and ran for nearly a month; a second came in 2013, and a third in 2014. — Read the rest The post An anonymous group posted internet puzzles to recruit code-breakers, then vanished appeared first on Boing Boing.