I spoke w. a Palo Alto vendor rep a few months ago. We were talking about the features of the firewall appliance one of my clients was using. They have a featu

I spoke w. a Palo Alto vendor rep a few months ago. We were talking about the features of the firewall appliance one of my clients was using. They have a feature that effectively "tests" what the user is about to load in a virtual environment, and sees if that content behaves abnormally. I forgot what they called it. It sounds like this could be it.