Focus Turns to North Korea Sleeper Cells as Possible Culprits in Cyberattack Since the 1980s, North Korea has been known to train cadres of digital soldiers to engage in electronic warfare. Now this force is under scrutiny. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:China’s Appetite Pushes Fisheries to the BrinkYoung, Idealistic but Determined, Slovaks Lead Anticorruption CrusadeOnce a Lace Capital, Now Riven by French PoliticsU.S. Confirms It Will Pay for Antimissile System, South Korea SaysTony Blair Urges U.K. to Stay Centered, and Close to EuropeTrump Invites Rodrigo Duterte to the White House