Microsoft started testing with Insider users its new Windows Defender Application Guard for both Chrome and Firefox users. The extension is designed to protect enterprise PCs against attacks. It used to be an Edge-exclusive feature, but it is now making its way to the two other browsers. What it does is it opens untrusted URLs not listed in administrators’ trusted sites in a virtual container. It helps prevent any attackers from immediately gaining access into a company’s system if the site does turn out to be a malicious one.
For the extension to do its job, you’ll need the companion app from the Microsoft Store and the Edge browser. If the extension finds the URL isn’t from the trusted list, it’ll open it in an isolated Edge session. Any link you click in the isolated session that’s from a trusted site will launch right back in your original browser. The extension is currently only available to Insider users, but it should be coming to more users soon.
Source: Engadget