In a blog statement released by Microsoft on the 28th of June, Microsoft released a Windows 10 Insider Preview Build 16232 and Windows 10 Mobile Insider Preview Build 15228 to Insiders in the Fast ring which is part of the new end-to-end security features in Windows 10. This is to tackle the serious issue of a twin global ransomware outbreak happened within a couple of months, WannaCry in May and Petya/NotPetya in June, Microsoft Windows Operating Systems are deadly vulnerable to ransomwares and its evolving derivatives which specifically target its line of Operating System platforms.
Windows Defender Application Guard (WDAG)
WDAG provide strong security Future for Browsers which protect cookies, and saved passwords will continue to exist within the Application Guard sessions and data will not be shared Especially for Edge Browser.
Application Guard using Group based Policy and Data Persistence for Application Guard with Microsoft Edge sessions is not enabled by default.
To enable data persistence you need to Manually do it in the Windows.
Windows Components –> Windows Defender Application Guard –> Turn on Enabled
After the Group Policy settings are set, next launch New Application Guard Window from the Microsoft Edge menu