Agreed. Re: "- It's on a network, so it needs to be kept updated, because a compromised host elsewhere on the same network will be able to compromise it" the

Agreed. Re: "- It's on a network, so it needs to be kept updated, because a compromised host elsewhere on the same network will be able to compromise it" the suggested solution was "an isolated network".0 The problem there is the operator would have to use SD cards to update the adverts... :)