Qihoo 360 Technology Co Ltd was incorporated on June 9, 2005. In April 2011, it completed its initial public offering. It is an Internet security company in China. Its two core Internet security products are 360 Safe Guard and 360 Anti-Virus. 360 Safe Guard is its flagship Internet security product and a one-stop solution for Internet security and system optimization. 360 Anti-Virus is an anti-virus application that uses multiple scan engines to protect its users' computers against all kinds of malware, including traditional viruses, and may operate without Internet connection. These applications protect its users' computers against Trojans, viruses, worms, adware and other forms of malware. It competes with Internet security product and service providers and PRC-based Internet companies. It has registered its "Qihoo" and "Qihu" brands and its "360" logo with relevant government authorities in China, the United States and Japan and have pending applications for the "Qihoo" and "Qihu" brands and the "360" logo with relevant government authorities in the European Union. The Company is subject to reporting obligations under U.S. securities laws.