Qihoo (or to give it it's full name, Qihoo 360) is primarily a Chinese internet security company. However, the company also has many different branches that now includes its own smartphone and its own search engine, Haosou (launched in 2012), which is now the second most popular search engine in China with a 30% market share. Qihoo 360 was founded in 2005 and in 2014 had 496 million users of its internet security product, and 641 million users of its mobile antivirus product.Â
