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NBCNews.com

Unbreakable passwords are hiding in your body

02:50

Text passwords are unsafe, fingerprints and retinas can be faked. So how do you make an unbreakable password? A Canadian inventor is developing a biometric monitor that fits inside a shoe that he says is unhackable. Doors open for you — and nobody else. Richard Lui and Bob Sullivan report on technology that will change digital security forever.Sept. 25, 2012

  • UP NEXT

    Watch: Giant Pacific octopus rescue caught on camera

    01:49

  • At least 2 killed, several missing in Pennsylvania factory explosion

    00:49

  • At least two dead, 10 hospitalized after medical emergency on Texas train

    01:16

  • 190 million African children at risk from water-related crises

    03:11

  • Uganda passes bill banning people from identifying as LGBTQ+

    03:24

  • U.S. and Canada strike new deal to turn back asylum seekers

    03:26

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