A Security Pro Hacked North Korean Hackers. He Found They’d Breached Hundreds of Networks Worldwide

For nearly two years, researcher Vangelis Stykas has maintained access to North Korean hackers’ servers. His work shows they pulled off intrusions in a shocking number of systems across the globe.

Source: https://www.wired.com/story/a-security-pro-hacked-north-korean-hackers-he-found-theyd-breached-hundreds-of-networks-worldwide/