SEOUL -- Shipbuilding companies in South Korea have faced a string of cyberattacks from North Korea in a suspected attempt to steal technical data that could strengthen the North's navy.
Seoul detects new cyberattacks amid Kim Jong Un's push for stronger navy

Kim Jong Un watches a naval vessel test-fire a cruise missile. (KCNA via Kyodo)
SEOUL -- Shipbuilding companies in South Korea have faced a string of cyberattacks from North Korea in a suspected attempt to steal technical data that could strengthen the North's navy.