Msg. 16969 of 18626 (This msg. is a reply to
16968 by
micro)
Jump:
Micro > The manual system would be alright as well but my goodness why can;t a complete computer system be just that, networked but NOT use the internet?????
It can.
One technique is to 'air gap' it. As in no wires
connect the computers running the pipeline with
anything else.
Another technique is some good 'firewalls'. Both
hardware and software can be used to isolate the
mission critical computers and PLC's from the rest
of the universe.
- - - - - The above is a reply to the following message:
Re: colonial pipeline is down again LOL,,,,,,,,,,,,,,,,,,,, They tried beefing up their software that runs everything and they screwed up.
By: micro in
WRGO Wed, 19 May 21 1:55 AM
Better question is why are the computers that control the pipeline even "ON" the internet???? Why not a closed system not subject to hackers from all over the globe?
The manual system would be alright as well but my goodness why can;t a complete computer system be just that, networked but NOT use the internet?????
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