Re: SCADA (or: How I learned to love receiving FWW in digest form)

On Fri, Apr 17, 2009 at 12:03 PM, Dotzero <[email protected]> wrote:

>
> One argument for the introduction of additional risk is that there is
> added value to interconnected systems. Look at Electric production and
> distribution. In the good old days one company produced and
> distributed across a given area. Now it is a lot more complex. There
> might be any number of producers transiting a distribution grid and
> there might even be a choice of paths as to how those electrons get
> from point A to point B. You have interties across networks, etc. This
> means more people need access and/or provide more input.

That interconnectedness on the SCADA network (which should NOT be
transiting the Internet - only the power grid itself) is exactly how
AND why you don't connect the SCADA network to a non-SCADA network.