Known threat actors based in North Korea recently targeted several US electric companies in a spear-phishing campaign. The attacks are another indication of North Korea’s willingness to go after cyber targets that others tend to leave alone for fear of retaliation. North Korea is so isolated diplomatically and economically there is little downside for them to conduct aggressive operations, an analyst says. North Korean hackers are highly skilled but, more importantly, they are willing to conduct operations that the other major cyber powers do not do, he says.”]
Source: https://www.darkreading.com/attacks-breaches/north-korean-threat-actors-probe-us-electric-companies