Viewing or selling pornography in North Korea is seen as a punishable offense, and the offender is punished by death. North Korean government keeps a strict tab on internet activity and has command over internet activities.
Adding to this, even radio and TV sets are configured in North Korea so that the citizens cannot tune into anything other than the domestic broadcasts.
In 2014, North Korea reportedly publicly executed 80 people for watch south Korean television shows, and 10,000 people, including children, were forced authorities to watch the execution.
Also, anyone who is caught criticizing the regime is sent to an educational camp for correction.