Microsoft Edge is designed to defend users from increasingly sophisticated and prevalent attacks. With Microsoft Edge, we want to fundamentally improve security over existing browsers and enable users to confidently experience the web from Windows. This post covers some of the advanced technologies used to protect Microsoft Edge. These include industry leading sandboxing, compiler, and memory management techniques developed in close partnership with Windows. Microsoft EdgeHTML is focused on modern web standards, allowing web developers to build and maintain one consistent site that supports all modern browsers. This greatly simplifies the hard work of building and building web sites, allowing developers to focus on reliability and security.”]
Source: https://blogs.windows.com/msedgedev/2015/05/11/microsoft-edge-building-a-safer-browser/