Their track record is mixed, but North Korea’s army of more than 6,000 hackers is undeniably persistent, and undeniably improving, according to American and British security officials who have traced these attacks and others back to the North.
Amid all the attention on Pyongyang’s progress in developing a nuclear weapon capable of striking the continental United States, the North Koreans have also quietly developed a cyberprogram that is stealing hundreds of millions of dollars and proving capable of unleashing global havoc.
Unlike its weapons tests, which have led to international sanctions, the North’s cyberstrikes have faced almost no pushback or punishment, even as the regime is already using its hacking capabilities for actual attacks against its adversaries in the West.
https://www.nytimes.com/2017/10/15/world/asia/north-korea-hacking-cyber-sony.html