Google China is a subsidiary of Google. Once a popular search engine, most services offered by Google China were blocked by the Great Firewall in the People's Republic of China. In 2010, searching via all Google search sites, including Google Mobile, was moved from mainland China to Hong Kong.

Operation Aurora was a series of cyber attacks performed by advanced persistent threats such as the Elderwood Group based in Beijing, China, with associations with the People's Liberation Army. First disclosed publicly by Google on January 12, 2010, by a weblog post, the attacks began in mid-2009 and continued through December 2009.