New Windows Defender Application Guard add-ons for Chrome and Firefox open untrusted sites in Microsoft Edge

If you attempt to visit a bad site in Firefox or Chrome, your browser will often warn you, so you can decide whether or not to take the risk and continue to your destination.

Microsoft has joined the fight to prevent users unwittingly visiting bad sites by creating new extensions for Google and Mozilla’s browsers which automatically redirect users from untrusted sites to Windows Defender Application Guard for Microsoft Edge.

SEE ALSO: Microsoft releases Windows 10 19H1 Build 18358 to the Fast ring

This is how it works:

When users navigate to a site, the extension checks the URL against a list of trusted sites defined by enterprise administrators. If the site is determined to be untrusted, the user is redirected to an isolated Microsoft Edge session. In the isolated Microsoft Edge session, the user can freely navigate to any site that has not been explicitly defined as trusted by their organization without any risk to the rest of system. With our upcoming dynamic switching capability, if the user tries to go to a trusted site while in an isolated Microsoft Edge session, the user is taken back to the default browser.

So in other words, if you stumble across a bad site while using your preferred browser, Edge will open and you’ll be able to explore the site safely in that. The cynical will see this as just another way Microsoft is trying to get users to spend time in Edge but others will welcome the move.

At the moment, the Windows Defender Application Guard extension is only available to Windows Insiders but it will be rolled out to all soon.

You can get the extension for Chrome and Firefox now. There's also a Microsoft Store companion app that you need, but Microsoft's own link embarrassingly currently points to a fake third-party site. Oops. You can download the actual app from here.

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