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Re: LOTS of US Water Plants Hit by Hacks

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From rbowman <bowman@montana.com>
Newsgroups comp.os.linux.misc
Subject Re: LOTS of US Water Plants Hit by Hacks
Date 5 Aug 2026 06:14:43 GMT
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On Wed, 5 Aug 2026 00:58:46 -0400, c186282 wrote:

> On 8/4/26 03:10, rbowman wrote:
>> On Mon, 3 Aug 2026 20:50:24 -0400, c186282 wrote:
>> 
>>>     Anyway, hardware PLCs are pretty stupid - you don't actually hack
>>>     them directly. They're basically a replacement for a box of relays
>>>     or equivs. Software PLCs - a uC or even better - are more
>>>     "computers",
>>>     oft net-connected these days. An Ard Uno would make a fair
>>>     software PLC. A low-end PI even better.
>> 
>> https://www.realpars.com/blog/plc-hardware
>> 
>> What's a hardware PLC?
> 
>    There ARE 'chips' ... or, cruder, boards with a lot of transistors.

Semantics. A transition device was Square D's NorPak system. There were a 
number of different cards that that mounted in a frame similar to  a 
backplane. NOR gates are the simplest so those were the basic building 
blocks. Working with NOR, NAND, and NOT gates leads to brain bleed.

https://www.ebay.com/itm/Norpak-Square-D-8852-L-19-Counter-4-Input-NOR-20-
Pack-Series-A-FREE-SHIPPING-/282588704448

'Programming' was done by stripping wire, crimping on a tapered pin, and 
seating it with a too like an automatic center punch. Solid state relay 
logic...

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LOTS of US Water Plants Hit by Hacks c186282 <c186282@nnada.net> - 2026-08-03 20:50 -0400
  Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-04 07:10 +0000
    Re: LOTS of US Water Plants Hit by Hacks "Carlos E. R." <robin_listas@es.invalid> - 2026-08-04 10:44 +0200
      Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-04 17:53 +0000
        Re: LOTS of US Water Plants Hit by Hacks c186282 <c186282@nnada.net> - 2026-08-05 02:47 -0400
          Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-05 20:26 +0000
    Re: LOTS of US Water Plants Hit by Hacks The Natural Philosopher <tnp@invalid.invalid> - 2026-08-04 11:14 +0100
      Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-04 18:07 +0000
        Re: LOTS of US Water Plants Hit by Hacks c186282 <c186282@nnada.net> - 2026-08-05 02:55 -0400
          Re: LOTS of US Water Plants Hit by Hacks The Natural Philosopher <tnp@invalid.invalid> - 2026-08-05 11:42 +0100
          Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-05 14:09 +0000
            Re: LOTS of US Water Plants Hit by Hacks The Natural Philosopher <tnp@invalid.invalid> - 2026-08-05 18:42 +0100
              Re: LOTS of US Water Plants Hit by Hacks Robert Riches <spamtrap42@jacob21819.net> - 2026-08-05 20:19 +0000
                Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-05 22:38 +0000
              Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-05 22:36 +0000
        Re: LOTS of US Water Plants Hit by Hacks The Natural Philosopher <tnp@invalid.invalid> - 2026-08-05 11:40 +0100
          Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-05 20:39 +0000
    Re: LOTS of US Water Plants Hit by Hacks c186282 <c186282@nnada.net> - 2026-08-05 00:58 -0400
      Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-05 06:14 +0000
        Re: LOTS of US Water Plants Hit by Hacks c186282 <c186282@nnada.net> - 2026-08-05 03:52 -0400
          Re: LOTS of US Water Plants Hit by Hacks rbowman <bowman@montana.com> - 2026-08-05 14:07 +0000
        Re: LOTS of US Water Plants Hit by Hacks The Natural Philosopher <tnp@invalid.invalid> - 2026-08-05 11:46 +0100

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