NSA infiltrates links to Yahoo, Google data centers worldwide, Snowden documents say https://www.washingtonpost.com/world/national-security/nsa-infiltrates-lin

NSA infiltrates links to Yahoo, Google data centers worldwide, Snowden documents say https://www.washingtonpost.com/world/national-security/nsa-infiltrates-links-to-yahoo-google-data-centers-worldwide-snowden-documents-say/2013/10/30/e51d661e-4166-11e3-8b74-d89d714ca4dd_story.html https://www.washingtonpost.com/world/national-security/nsa-i... We can assume that the US government is not the state-sponsored actor in the OP, because their attack has already been publicly known for some time. This one is probably China or Russia.