Nearly everything in this video is utter nonsense since very features asserted as being indication of Russian assistance in designing warship can be seen on Chinese ships and for that many those by some western navies such as French and German that have such features. Another is fact that North Korea has done a lot of cyber espionage such as hacking of Daewoo shipbuilding and maritime engineering company(now Hanhwa Ocean) along other shipbuilding companies around the world.