360.com

Qihoo 360 is a Chinese internet security company known for its antivirus software, web browser, and mobile application store. Qihoo 360 had 496 million users for its internet security products and 641 million users for its mobile antivirus products as of June 2014. Qihoo 360's main revenue sources include advertising space on the 360 home page.  Recognizing security as a fundamental need of all internet and mobile users, Qihoo 360 has built its large user base by offering comprehensive, effective and user-friendly Internet and mobile security products and services to protect users' computers and mobile devices against malware and malicious websites. The products and services are supported by its cloud-based security technology, which is one of the most advanced and robust technologies in the internet security industry. Qihoo 360 currently monetizes its massive user base primarily through offering online advertising and internet value-added services. Qihoo 360 is a top three internet company as measured by user base in China, the number one provider of internet and mobile security products and services in China, the number one android-based mobile distribution platform in China, the number two internet browser in China, and the number two PC search engine in China.