In November 2014, the Guardians of Peace -- a group affiliated with the North Korean government -- hacked Sony Pictures because the studio was planning to release "The Interview," a movie they felt insulted their leader, Kim Jong Un.
원문출처 : http://www.cnn.com/2017/10/19/opinions/cyber-attacks-opinion-eschelbeck/index.html
원문출처 : http://www.cnn.com/2017/10/19/opinions/cyber-attacks-opinion-eschelbeck/index.html