Qihoo 360 Technology Co. Ltd., is an internet company in China. The Company is engaged in the operations of internet services and sales of third party anti-virus software in the People's Republic of China. The Company provides internet and mobile security products in China. As of December 2013, the Company had 475 million monthly active users of its personal computer-based products and services, representing Chinese personal computer Internet users of 94.6% and 462 million monthly active personal computer Internet security product users, representing a user of 91.9% in China. Its internet and mobile security platform products include 360 Safe Guard and 360 Anti-virus which are internet security product, 360 Mobile Safe which is a mobile security product, 360 browser which is an internet browser, 360 Personal Start-up Page which is default homepage, 360 Search which is a search engine, 360 Mobile Assistant which is internet access point for smartphone users to browse.