Summarize the obvious:
“There are hackers, hackers I say that are breaking into computer systems!”
If the near omnipresence of hackers in all information systems surprises you, may I suggest that you join a survivalist community at your earliest opportunity?
The rest of the post summarizes the conclusion-rich but fact-poor popular opinions of US security contractors whose Magic-8 ball pointed towards Russia for this latest hacking incident.
Skip this article if you are looking for “scientific” content in Scientific American.