WASHINGTON — The trail that led American officials to blame North Korea for the destructive cyberattack on Sony Pictures Entertainment in November winds back to 2010, when the National Security Agency scrambled to break into the computer systems of a country considered one of the most impenetrable targets on earth.   Read more here: http://www.nytimes.com/2015/01/19/world/asia/nsa-tapped-into-north-korean-networks-before-sony-attack-officials-say.html

Before last month, most Americans thought very little about cyberwarfare. But when North Korea attacked Sony Pictures for daring to mock its leader Kim Jong-un in the now-famous film “The Interview,” cyberwarfare arrived at center stage. Read more: http://triblive.com/opinion/featuredcommentary/7499966-74/cyberwarfare-cyberspace-state#ixzz3OiaBC0fJ Follow us: @triblive on Twitter | triblive on Facebook