December 31 news, Kingsoft Network disclosed today a major Internet users' privacy leakage event in China. It is reported that 360 Client is quietly collecting its users' personal privacy data, and has spread outside from the 360 official server. Ordinary Internet users can obtain similar data from search engines like Google. According to the third party open data, 360 Security Guard has more than 300 million installations. Kingsoft said that these users have now become potential victims of personal privacy leakage.