I didn't expand on that but actually that system was part of a global network; entirely separate from the Internet. There was MS Outlook installed on the termin

I didn't expand on that but actually that system was part of a global network; entirely separate from the Internet. There was MS Outlook installed on the terminal nodes. One can see how somebody could become nervous about not having AV on the nodes and come up with a "protection" scheme like the one I described.