Attributing cyberattacks is incredibly difficult, often involves underlying motivations and does little, if anything, to help targeted organizations defend themselves. Some cybersecurity pundits have been quick to suggest that the Friday online attack against the opening ceremonies of the Olympic Winter Games in South Korea were most likely carried out by Russia because some of its athletes have been banned from the games on account of doping violations. But some information security experts caution that attempting to attribute the attacks in a hurry (see China Is China Merely Hype?)”]
Source: https://www.inforisktoday.com/blogs/attribution-games-dont-rush-to-blame-p-2594