I read an article where the guy developed an algorithm to reconstruct the screen image from behind, from the diffuse reflection on a wall. Isaac Em 19/02/2016 09:03, CDB escreveu: > "On 15/02/2016 17:39:05, "Richard R. Pope" =20 > wrote: > > Russell, > My point is that for someone to get into my system, they would have > to dig up the fiber optic cable and tap in to it. Or they would have to > enter my home and tap into the system downstream of my router" > > > Back in the days of the ZX Spectrum, BBC Acorns and CRT televisions, I=20 > remember a Tomorrows World (RIP Rayman Baxter) episode where a van full=20 > of aerials and oscilloscopes, parked itself outside a house and promptly= =20 > managed to recreate and record what was being typed onto the screen.=20 > LCDs don't leak as much RF as CRTs, but it may well be possible (I don't= =20 > know) for similar capturing from modern day PCs and monitors. > > -- > > colin@btech-online.co.uk > > Web presence: www.btech-online.co.uk > > Hosted by: www.justhost.com.au > > This email is to be considered private if addressed to a named =20 > individual or Personnel Department, and public if addressed to a blog, =20 > forum or news article. > > > > __________________________________ > Sent from eM Client | www.emclient.com > > > > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .