360 Secure Browser (360 Security Browser) or 360 Safe Browser (Chinese: 360安全浏览器) is a web browser developed by the Qihoo company of Beijing, China. It was first released in September 2008. The browser by default renders the webpage using the WebKit-based engine adapted for Google Chrome, Blink, and when running in compatibility mode, it renders webpages using the Trident engine found in Internet Explorer.