How can I tell if I have an unsecured RDP connection on my Windows 10 desktop computer?
Best answer by coscooper
However, the easiest way to confirm that your device isn’t exposed, is to check the Application Allowance section of the local firewall. For Windows10, look for the Remote Desktop line and insure they’re both off for private or public networks. This is more of a check for the remote settings you’ve already disabled.
Windows Defender Firewall → select “Allow and app or feature through Windows Defender Firewall”
Look for Remote Desktop and make sure both are NOT enabled or either network type.
Hope this helps.