About Qihoo 360

Founded in December 2005, 360 Security Center is a leading internet security service provider in China. Our seasoned technical team is devoted to developing innovative and advanced security technology to protect personal computers and mobile phones. We offer a wide variety of security products, such as 360 Security Guard, 360 AntiVirus, 360 Secure Browser, 360 Safebox and 360 MobileSafe. Our products have been widely welcomed by netizens and have earned us the largest number of users in China. 360 Security Center has raised funds with famous venture capitals including DingHui Venture Capital, Sequoia Capital, Highland Capital Partners, Redpoint Ventures, Matrix Partner and IDG.

As of September 2010, 360 Security Guard had protected 76% of China’s netizens, which can be translated to more than 286 million users. 360 AntiVirus has become No.1 anti-virus product in China only three months after its official launch, covering about 60% of the internet users in China. 360 Secure Browser, covering over 46% of China’s netizens, is the most popular browser in China, second only to Microsoft Internet Explorer. With a market share of 55.6%, 360 MobileSafe also ranks No.1 in the mobile security field.