Hi Robert,
Thank you for posting your query in Microsoft Community.
I can understand that you are concerned about your system's security and would certainly guide you in the right direction regarding your concern.
Webroot is a third party anti-virus software and affects your system security. Microsoft does not recommend any third party security software as the associated third party firewalls might create issues for the network connections with the system.
You may use Webroot for your system security, however, we do not recommend you any third party software for security purposes.
Disclaimer: Using Third Party Software, including hardware drivers can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the use of Third Party Software can be solved. Using Third Party Software is at your own risk.
Hope this information is helpful. Do let us know if you need any further assistance, we'll be glad to assist you.