North Korean hackers are no joke. They’re probably one of the best hacking groups in the world. They provide a lot of revenue to the government and they do very impressive espionage.

It’s important to note that even though they stole the plans, this doesn’t mean that they can build it. They don’t have the material science or manufacturing processes to build the planes. At most, they can come up with countermeasures or sell the PLAns to some other country