How to enable sandbox for Windows Defender on Windows 10 and also how to check it is running in sandbox?

1. Run command prompt under administrator right

2. setx /M MP_FORCE_USE_SANDBOX 1

3. Reboot the machine

4. Done

To verify the Windows Defender running under sandbox:

1. Go to download process explorer https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer

2. Run process explorer under administrator right

3. Right on the menu click “select columns”, then tick the box “Integrity Level”

4. The process “MsMpEngCP.exe” will under AppContainer

Reference:

https://cloudblogs.microsoft.com/microsoftsecure/2018/10/26/windows-defender-antivirus-can-now-run-in-a-sandbox/

https://www.zdnet.com/article/windows-defender-becomes-first-antivirus-to-run-inside-a-sandbox/

https://www.howtogeek.com/fyi/windows-defender-now-offers-ultra-secure-sandbox-mode-heres-how-to-turn-it-on/

https://www.thewindowsclub.com/sandboxing-windows-defender

How to enable sandbox for Windows Defender on Windows 10 and also how to check it is running in sandbox?