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  4. Keystroke recognition uses Wi-fi signals to snoop

Keystroke recognition uses Wi-fi signals to snoop

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  • K Offline
    K Offline
    Kent Sharkey
    wrote on last edited by
    #1

    ThreatPost[^]:

    A group of academic researchers have figured out how to use off-the-shelf computer equipment and a standard Wi-Fi connection to sniff out keystrokes coming from someone typing on a keyboard nearby.

    Here's 97.5% of my repl

    Yes, the math doesn't work on that one.

    L 1 Reply Last reply
    0
    • K Kent Sharkey

      ThreatPost[^]:

      A group of academic researchers have figured out how to use off-the-shelf computer equipment and a standard Wi-Fi connection to sniff out keystrokes coming from someone typing on a keyboard nearby.

      Here's 97.5% of my repl

      Yes, the math doesn't work on that one.

      L Offline
      L Offline
      ledtech3
      wrote on last edited by
      #2

      I don't get it. Is that supposed to be a wireless or wired keyboard? It still don't make sense, unless they are trying to mesaure the distortion of a wifi signial by the sound waves from the keyboard.

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      • L ledtech3

        I don't get it. Is that supposed to be a wireless or wired keyboard? It still don't make sense, unless they are trying to mesaure the distortion of a wifi signial by the sound waves from the keyboard.

        K Offline
        K Offline
        Kent Sharkey
        wrote on last edited by
        #3

        I think other researchers have shown wireless keyboards (at least the cheap ones) leak the key data. However, this one is measuring finger movements (like Kinect, but actually being used for something):

        Quote:

        WiKey takes WiHear lip reading to an entirely new level by detecting finger, hand, and keyboard key movements.

        TTFN - Kent

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        • L ledtech3

          I don't get it. Is that supposed to be a wireless or wired keyboard? It still don't make sense, unless they are trying to mesaure the distortion of a wifi signial by the sound waves from the keyboard.

          D Offline
          D Offline
          Dan Neely
          wrote on last edited by
          #4

          Not quite, they're capturing the distortion of the signal by the movement of objects (your finger tips) within the RF field.

          Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

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          • D Dan Neely

            Not quite, they're capturing the distortion of the signal by the movement of objects (your finger tips) within the RF field.

            Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

            B Offline
            B Offline
            Brisingr Aerowing
            wrote on last edited by
            #5

            That's kinda cool and scary at the same time.

            What do you get when you cross a joke with a rhetorical question? The metaphorical solid rear-end expulsions have impacted the metaphorical motorized bladed rotating air movement mechanism. Do questions with multiple question marks annoy you???

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            • D Dan Neely

              Not quite, they're capturing the distortion of the signal by the movement of objects (your finger tips) within the RF field.

              Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

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              L Offline
              ledtech3
              wrote on last edited by
              #6

              So now I guess you have to carry something that will distort the siginals that you are Not using in order to counter this.

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              • D Dan Neely

                Not quite, they're capturing the distortion of the signal by the movement of objects (your finger tips) within the RF field.

                Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

                J Offline
                J Offline
                Joe Woodbury
                wrote on last edited by
                #7

                Rather than go through all the expense and effort to capturing my keystrokes, they can just ask me what I'm doing.

                D 1 Reply Last reply
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                • J Joe Woodbury

                  Rather than go through all the expense and effort to capturing my keystrokes, they can just ask me what I'm doing.

                  D Offline
                  D Offline
                  Dan Neely
                  wrote on last edited by
                  #8

                  You don't normally get to give presentations at DefCon or BlackHat for that sort of approach.

                  Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

                  1 Reply Last reply
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                  • D Dan Neely

                    Not quite, they're capturing the distortion of the signal by the movement of objects (your finger tips) within the RF field.

                    Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

                    W Offline
                    W Offline
                    Weylyn Cadwell
                    wrote on last edited by
                    #9

                    Wouldn't that be hard to do with different keyboard layouts (like the ergonomic keyboards)? I can see that working for a single type of keyboard, but with different types it would become much harder.

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