Details from the growing U.S. case against a North Korean hacker are helping to shed light on the evolving tactics, skills, and strategies of North Korean cyber operations. Marked by extensive preparation and background research to develop profiles and relationships with real people in key positions in target businesses or agencies, North Korean hacks are backed by leading technologies and extensive state investment. According to a South Korean estimate, the country supports a team of 6,800 and is named as one of the “five cyber powers” comprised of the U.S., Russia, China, and Israel).
Source: North Korean hackers’ evolution on display in US case – Nikkei Asian Review