The U.S. government has issued guidance on North Korean hacking activity in a joint advisory published by the US Departments of State, Treasury, and Homeland Security, and the FBI. North Korean hackers helped the Pyongyang regime to make roughly $2 billion from around 35 cyberattacks targeting banks and cryptocurrency exchanges across 17 countries last year. A United Nations confidential document estimated last year that North Korea hackers helped. North Korea hacking groups have been observed while offering their services to third parties, as well as being paid to work as.
Source: https://www.bleepingcomputer.com/news/security/us-issues-guidance-on-north-korean-hackers-offers-5m-reward/