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   rec.arts.sf.written      Discussion of written science fiction an      448,027 messages   

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   Message 446,385 of 448,027   
   Cryptoengineer to Bobbie Sellers   
   Re: Pearls Before Swine: Cell Phone Upda   
   22 Oct 25 21:25:09   
   
   XPost: rec.arts.comics.strips   
   From: petertrei@gmail.com   
      
   On 10/22/2025 12:36 PM, Bobbie Sellers wrote:   
   >   
   >   
   > On 10/22/25 08:51, Paul S Person wrote:   
   >> On Wed, 22 Oct 2025 16:34:27 +1100, sjharker@aussiebroadband.com.au   
   >> (Stephen Harker) wrote:   
   >>   
   >>> Titus G  writes:   
   >>>   
   >>>> On 21/10/25 04:51, Paul S Person wrote:   
   >>>> snip   
   >>>   
   >>> [...]   
   >>>   
   >>>>> I don't know about that; I found a few years back where Consumer   
   >>>>> Reports stated that the average cost of a heat pump was now around   
   >>>>> $8K. When I asked about it back when my furnace was being replaced, it   
   >>>>> was around $25K. $25K is quite expensive; $8K is less so (still   
   >>>>> expensive, though).   
   >>>>   
   >>>> Three years ago, I had another heat pump installed for NZ$3K.   
   >>>   
   >>> I replaced a 20+ year old  head pump (non-inverter) with an inverter   
   >>> heat-pump at AUD3.5k for much of the house and a smaller one for AUD2.4k   
   >>> for two other roomsin 2022.  I also replaced the gas hot-water unit with   
   >>> a heat-pump hot water service. Then I replaced the gas oven and cooktop   
   >>> with an electric oven and induction cooktop AUD4k.  Then I had solar   
   >>> installed and now have a yearly energy bill of under AUD170 saving about   
   >>> AUD1,1k per year.   
   >>>   
   >>>>> I notice a distinct lack of answers to my question about using WiFi   
   >>>>> (or Bluetooth) to control a heat pump. Thus avoiding the pulling of   
   >>>>> wires.   
   >   
   >          If you can control it by WiFi or Bluetooth so can someone   
   > else.  Maybe as   
   > a relatively harmless prank or maybe to overload the heat pump and   
   > destroy it or   
   > the place it is heating or cooling.   
   >   
   >   
   >          Snip of sensible content about using Ethernet.   
      
   Some attacks just aren't worth the effort - have  you *ever* heard of   
   someone doing this?   
      
   I have heat pumps - one is controlled by short range IR remotes, and   
   the other by a wall panel.   
      
   I would not put them on WiFi, but not because I'm worried about someone   
   futzing with the temperature. I'm suspicious of the 'Internet of Things'   
   devices made by companies with zero notion of security. There are WiFi   
   'smart bulbs' that will leak your WiFi password.   
      
   I spent too long in the cybersecurity world to attach random devices   
   to my network.   
      
   pt   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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