North Korea Hacked Him. So He Took Down Its Internet (2022)

> “As their routers fail, it would literally then be impossible for data to be routed into North Korea,” Ali says, describing the result as “effectively a total internet outage affecting the country.” (P4x notes that while his attacks at times disrupted all websites hosted in the country and access from abroad to any other internet services hosted there, they didn’t cut off North Koreans’ outbound access to the rest of the internet.)

If second part is true then it does not seem productive, sadly.