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