If Intel isn't working on adding tablet interfaces to these cloud applications then they are missing a huge bet. The combination of mobility, larger display size, and network orientation make that a natural combination. Use an HTML5 interface for them and you might just have a prototype of the business app platform for the next five years.
The antivirus scan engine can be pushed to hardware level. Yet, firewall will have a little bit difficulty unless it is sitting on the network chip which is sitting at the very front.
If this is what Intel's ambitious, the McAfee deal seems a logical move. Any related articles or press release in this topics are welcomed.