North Korean hackers are suspected to have broken into a South Korean shipyard and stolen military secrets, in a breach made public less than a month after news of a similar attack in which hackers stole joint U.S.-South Korea war plans. The attack, revealed by a Seoul lawmaker and corroborated by defense-industry sources, targeted Daewoo Shipbuilding & Marine Engineering Co. , which makes warships including submarines. Hackers stole 60 classified documents including blueprints and

technical data for submarines and vessels equipped with Aegis weapon systems, said Kyeong Dae-soo, a lawmaker with the opposition Liberty Korea Party. The case came to light just weeks after the disclosure of another suspected North Korean hack into Seoul’s defense ministry database in September last year, in which attackers stole sensitive military secrets, including a joint U.S.-South Korean plan detailing how to eliminate the Pyongyang leadership in the event of war.  READ MORE