On 2019-07-17, Dan Ritter <d...@randomstring.org> wrote: >> >> 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 >
> I don't know, man. http://www.fods.com/optic_clip_on_coupler.html https://www.linkedin.com/pulse/edward-snowden-cyber-espionage-fiber-optic-tapping-jabulani-dhliwayo Once an attacker gains access to bare fiber on the victim’s network, he can clamp the tool and collect enough detectable optical power without inducing enough loss in the network to alert the network administrators. The stolen light is detected, converted from optics to electrical pulses using an E-O converter and then analyzed using suitable network analysis software. Wireshark, free software typically used by network administrators for troubleshooting, is used to view contents of transmitted packets. -- “We are all in the gutter, but some of us are looking at the stars.” ― Oscar Wilde, Lady Windermere's Fan