public static class SecurityChecker
{
    public static bool MakeSureThisAssemblyDoesNotHaveAccessToWhatever(string whatever)
    {
        switch(whatever)
        {
            case "ReadingFiles": throw new SecurityException("I can't read any f***ing file!");
            case "AccessWeb": throw new SecurityException("I can't access web (whatever this would mean)");
            //...skipped...
            default: throw new ArgumentOutOfRangeException("whatever", "I dunnow what the f**k are you trying to access, but I still can't access it!")
        }
    }
}