Re: LOTS of US Water Plants Hit by Hacks
The Natural Philosopher <[email protected]> Thu, 6 Aug 2026 12:19:54 +0100
| Newsgroups | comp.os.linux.misc |
|---|---|
| Organization | A little, after lunch |
| Message-ID | <[email protected]> |
On 05/08/2026 21:19, Robert Riches wrote: > On 2026-08-05, The Natural Philosopher <[email protected]> wrote: >> On 05/08/2026 15:09, rbowman wrote: >>> On Wed, 5 Aug 2026 02:55:04 -0400, c186282 wrote: >>> >>>> Not sure how much 'steppers' were involved in THESE hacks. Sounds >>>> more like spoofing instrument readings to cause downstream machinery >>>> to run wild until it broke. >>> >>> Steppers faded away in the '70s. Mostly. Never underestimate the use of >>> obsolete tech in US infrastructure. >> >> Steppers all over the place. Default thing to drive car instruments >> these days. And 3D printers. And laser printers. > > Sounds like the apparent disagreement might be a matter of which > kind of "stepper" each party is talking about: > > - stepping relays/switches -- used in very old mechanical > telephone switching equipment > Oh Strowgers...et all. > https://en.wikipedia.org/wiki/Stepping_switch > > - stepper motors -- used in lot of current equipment > > https://en.wikipedia.org/wiki/Stepper_motor > Sorry, I hadn't heard the stuff described as just 'steppers' before, Stepping witches, Strowgers, Uniselectors etc etc. -- "The most difficult subjects can be explained to the most slow witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he knows already, without a shadow of doubt, what is laid before him." - Leo Tolstoy