https://learn.microsoft.com/en-us/dotnet/api/system.security.policy.zonemembershipcondition?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-10.0
ZoneMembershipCondition Class (System.Security.Policy) | Microsoft Learn
Determines whether an assembly belongs to a code group by testing its zone of origin. This class cannot be inherited.
system security policyclassmicrosoftlearn