On Wed, 17 Jul 2019 17:04:46 -0400
Dan Ritter <d...@randomstring.org> wrote:

> Joe wrote: 
> > On Wed, 17 Jul 2019 21:50:47 +0100
> > mick crane <mick.cr...@gmail.com> wrote:
> > 
> >   
> > > 
> > > I have wondered about this, the actual infrastructure. I've
> > > noticed that the fiber optic cable is in places strung along with
> > > the electricity pylons.
> > > Presumably if you could somehow attach to that then you could be
> > > anybody ?
> > >   
> > 
> > Fibre is point-to-point, and any interference with it will cause a
> > significant drop in received signal, which will be investigated.  
> 
> And it will be located swiftly, thanks to time-domain
> reflectrometry:
> 
> https://en.wikipedia.org/wiki/Optical_time-domain_reflectometer
> 
> 

Yes, the point is that it can't be done secretly.

-- 
Joe

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