via New Scientist Technology Blog: Seeing through walls
Have you considered that someone could be reading what’s on your monitor from a few rooms away? It’s unlikely, but possible, as work by Cambridge University computer security researcher Markus Kuhn shows.
A radio antenna and radio receiver – equipment totalling less than £1000 – is all you need. Kuhn managed to grab the image to the left through two intermediate offices and three plasterboard walls.
Neat. But what to do about it? As the article points out, this type of attack has been around for quite a while against CRTs.
