As “P4x,” Alejandro Caceres single-handedly disrupted the internet of an entire country. Then he tried to show the US military how it can—and should—adopt his methods.
Internet access is available in North Korea, but is only permitted with special authorization. It is primarily used for government purposes, and also by foreigners … Online services for most individuals and institutions are provided through a free domestic-only network known as Kwangmyong, with access to the global Internet limited to a much smaller group.
Yes.
Wikipedia
Thank you for the attribution.