On Tue, Jun 4, 2013 at 1:30 PM, Joel C. Ewing <[email protected]> wrote: > On 06/04/2013 01:02 PM, Ed Finnell wrote: >> >> _Moto X: Motorola reveals plans for ink and even pills to replace ALL >> your >> passwords | Mail Online_ >> >> (http://www.dailymail.co.uk/sciencetech/article-2333203/Moto-X-Motorola-reveals-plans-ink-pills-replace-ALL-passwords.html?ito >> =feeds-newsxml) >> When was it T.J. Watson got in so much trouble wanting to tattoo >> everybody >> for authentication purposes? >> > > If the final verdict has not yet been reached on whether or not there is any > increased health risk from having a cell-phone transmitter next to your head > for prolonged periods, the idea of having a permanent RF transmitter > internally or attached to my body doesn't sound that appealing. > > Sounds like it would also mean someone forceably detained could be > impersonated easily without their need to cooperate (or even be conscious or > alive?). I still see a need for authentication to require something only > known by the individual, not solely based on something they possess. > > -- > Joel C. Ewing, Bentonville, AR [email protected] > The RF card in most badge reader only transmit in response to a nearby reader emitting the correct frequency to power the device. And yes, if you can read the response you can duplicate it on another device. Or even just relay your signal while you are away from the reader.
There are car thieves who get a pair of transmitters. One is held near the car and sends the car's query signal to the other receiver. The other receiver is near the person leaving the car. It get's the car's query and responds. This is sent back to the car by the transmitter pair. The car thinks the owner has returned, and unlocks and starts. The guy near the car hops in, waits for the pal to get in, and leaves. After shopping for 30 seconds to 2 hours, the owner comes back to an empty parking spot (if someone else hasn't taken it). -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
