Qihoo 360, full name 360 Security Technology Inc., is a Chinese internet security company that has developed the antivirus software programs 360 Safeguard and 360 Mobile Safe, the Web browser 360 Secure Browser, and the mobile application store 360 Mobile Assistant. It was founded by Zhou Hongyi and Qi Xiangdong in June 2005. The company's head office is in Chaoyang District, Beijing. Wikipedia