Pompeo blames Russia for massive US cyberattack December 18, 2020 at 08:17PM

"This was a very significant effort, and I think it's the case that now we can say pretty clearly that it was the Russians that engaged in this activity." Roughly 80 percent of the affected customers are located in the United States, Microsoft president Brad Smith said in a blog post, with victims also found in Belgium, Britain, Canada, Israel, Mexico, Spain and the United Arab Emirates.