Re: SCADA

["R. DuFresne" <dufresne () sysinfo com>]

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On Wed, 15 Apr 2009, Chris Blask wrote:

> Daniel E. Hassler <hassler () speakeasy net> wrote:
>
> > Forgive my ignorance but why is SCADA even allowed to run on a Windows host? IMHO - when industry insists (i.e. $$$ on 
> > the table) on secure alternatives can and will become available.
>
>
> Many manufacturers have used Windows as an embedded component of SCADA devices such as Human Machine Interfaces (HMIs - 
> the gadgets that produce the touchscreen management interface for operators).  Moreover, industry has not insisted on 
> secure alternatives in control systems, period.  In fact, industry continues to be overwhelmingly resistant to any 
> changes to their existing systems - reliability is many times more important to them as a group than security.


Which again begs the question;  why windows systems?




Thanks,


Ron DuFresne
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