[arch-general] [OffTopic] Wireless keyboard Security

[Ng Oon-Ee]

On Mon, 2010-09-06 at 12:44 -0300, Armando M. Baratti wrote:
> Em 06-09-2010 08:45, Mike Sampson escreveu:
> 
> > .... If the OP went with a wireless
> > keyboard with properly implemented encryption it could actually be
> > more secure than a wired keyboard.
> >
> > [1] http://www.pcworld.com/article/161166/a_way_to_sniff_keystrokes_from_thin_air.html
> > [2] http://lasecwww.epfl.ch/keyboard/
> >
> > Regards,
> >
> > Mike
> >
> 
> In fact using a wireless keyboard you're just increasing the chances of 
> someone get your signal:
> 
> - through the air (exploiting some fail on the encryption)
> 
>    *and*
> 
> - through the eletromagnetic field generated by the keyboard (the same 
> way with wired keyboards, just with a signal slightly weaker for the 
> absence of the wire).
> 
> Perhaps as Cédric have pointed, someone that could get as near as to get 
> the signal (and carry the equipment to do do this) probably would use an 
> easier way to spy on you.
> 
> 
> Armando

Obligatory xkcd =)

http://xkcd.com/538/