On Mon, Jul 13, 2015 at 7:36 PM, jim bell <[email protected]> wrote: > From: grarpamp <[email protected]> > > Subject: Stealing Keys from PCs using a Radio > > > Even in 1977, when I had just built my 'Dyna Micro' > https://en.wikipedia.org/wiki/Single-board_computer microprocessor trainer > board, I could tell that its emanations on the AM radio band were were quite > distinctive: I could monitor the progress of programs merely by listening > to an otherwise-unoccupied AM frequency. While I wasn't particularly > interested in the details at that time, it has long been obvious that a > program could be written to emit specific data, perhaps by repeating > segments of code based on the information to be transmitted. > Jim Bell >
While I was not born yet back then, less than twenty years later I built such program, playing with control messages sent from the host to the AT keyboard. Alfonso
