https://apnews.com/article/north-korea-weapons-program-it-workers-f3df7c120522b0581db5c0b9682ebc9b
Court documents allege that the government of North Korea dispatched thousands of skilled IT workers to live primarily in China and Russia with the goal of deceiving businesses from the U.S. and elsewhere into hiring them as freelance remote employees.
In North Korea they don’t have computers or the internet, so to train IT workers they sit in a big auditorium and listen to one person read zeros and ones off a big book through a megaphone.