The Government of Seoul reported that North Korean Hackers stole defense-related documents and photos from two South Korean companies. The news was reported by the National Police Agency, that added they local authorities have identified the source of the attack. According to the Seoul police, the security breach was discovered earlier this year, the attackers launched the attack from at least 16 servers based in Pyongyang. The police said that by detecting the breach they prevented what appeared to be the start of a large-scale cyberattack.”]
Source: https://securityaffairs.co/wordpress/48345/cyber-warfare-2/north-korean-hackers-hit-sk.html