I received the following Link-in request and thought it would be of interest as I believe it covers a broad swath of the utility infrastructure.
“We met several years ago, I think back in 2002, when you spoke at a SCADA system users group meeting. I was just becoming acquainted with the world of SCADA having working most of my career in IT. At the time, I did not quite understand why there was such a concern about SCADA systems and their vulnerability to public networks. I had my system designed within a private network and felt that it was secure. Doesn't everyone do the same thing? Well it was not until these past few years that I became exposed to other companies and their network designs and realized the extreme difference between the areas of IT and ICS.