Qihoo 360 is a prominent Chinese internet security company known for its antivirus software, web browser applications, and mobile app store services. Founded in 2005, the company's flagship product is the 360 Safeguard antivirus software which provides comprehensive protection against viruses, malware, and other online threats. Additionally, Qihoo 360 offers a secure web browser called 360 Secure Browser, which is designed to offer enhanced security and privacy features to its users. The company's website, https://www.360.cn/, serves as a portal for downloading its various software offerings and provides information and support for users seeking to protect their systems from cyber threats. Qihoo 360 is widely recognized in China for its contributions to internet security and plays a significant role in shaping cybersecurity practices within the country.