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taviso's profile
Tavis Ormandy
Tavis Ormandy
Tavis Ormandy
Verified account
@taviso

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Tavis OrmandyVerified account

@taviso

Vulnerability researcher at Google. This is a personal stream, opinions expressed are mine.

California
taviso.decsystem.org
Joined April 2008

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    1. Tavis Ormandy‏Verified account @taviso 15 Sep 2019
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      I have very poorly defined fingerprints, so scanners very rarely work for me. I can't use the scanners in phones, but that's a pretty minor inconvenience. The big problem is immigration checkpoints, over the years the problem has got worse as more of the checking is automated.

      15 replies 11 retweets 112 likes
      Show this thread
      Tavis Ormandy‏Verified account @taviso 15 Sep 2019
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      A well-known trick for people like me is rubbing beeswax on your fingers, it can make the machines happier. They usually have some at customs but didn't today - so I got stuck in secondary screening 😱 Guess I need to start carrying my own when I'm travelling!

      3:43 PM - 15 Sep 2019
      • 3 Retweets
      • 66 Likes
      • Dusko Ojdanic Brett W. Thompson P. K. JAWA | ポケットジャワ Bojan K Graham Sutherland (Polynomial^DSS) Jake Kevin Sæverud 🚴🏻‍♂️📸🇳🇴🇸🇪 sarah William Taack
      14 replies 3 retweets 66 likes
        1. New conversation
        2. Ryan Hurst‏Verified account @rmhrisk 15 Sep 2019
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          Replying to @taviso

          It doesn’t surprise me about the border fingerprint readers (they are optical) but I am a bit surprised about the phone ones as they are (largely) subdermal imaging devices even if not great ones.

          2 replies 0 retweets 0 likes
        3. Tavis Ormandy‏Verified account @taviso 15 Sep 2019
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          Replying to @rmhrisk

          Yeah, I find phones work about 20% of the time for me, which is just too frustrating to use, especially in sub-optimal conditions. I need to convince someone in Android to make "recognizing Tavis more than 50% of the time" a hardware qualification😆

          3 replies 0 retweets 7 likes
        4. 3 more replies
        1. New conversation
        2. 418: No Coffee 4 U  🤖‏ @ramriot 15 Sep 2019
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          Replying to @taviso

          So, while waiting the Niagara border before I got a Canadian passport I was chatting to a friendly US immigration guy, he told me this story About a year previous a man wanted to visit the US & presented his passport Unfortunately he was a convicted & discharged felon /1

          1 reply 0 retweets 0 likes
        3. 418: No Coffee 4 U  🤖‏ @ramriot 15 Sep 2019
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          Replying to @ramriot @taviso

          Which because his conviction included a drugs charge meant he was denied entry The mantatory requirement then is to take all his biometrics & return h to Canadian soil Unfortunately though due to an prison 'accident' he had lost both hands thus could not be fingerprinted /2

          1 reply 0 retweets 0 likes
        4. 2 more replies
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        2. Jashank Jeremy‏ @jashankj 15 Sep 2019
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          Replying to @taviso

          travelling with beeswax will make you _very_ popular with .au or .nz biosecurity...

          1 reply 0 retweets 6 likes
        3. Seamoose‏ @shamywow 15 Sep 2019
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          Replying to @jashankj @taviso

          Was just thinking this. Though you could pass customs and simply declare it at quarantine (and they will likely confiscate it) so no harm done as long as you tick that box. Buy more when leaving the country.

          0 replies 0 retweets 2 likes
        4. End of conversation
        1. Jasvir Nagra‏ @jasvir 15 Sep 2019
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          Replying to @taviso

          Pretty elaborate setup @taviso just so when customs asks, you can deliver the "I mind my own beeswax" line.

          0 replies 0 retweets 10 likes
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        1. New conversation
        2. dave_andersen‏ @dave_andersen 15 Sep 2019
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          Replying to @taviso

          Does anyone know if the beeswax trick works after you've been climbing? my fingerprints are unrecognizable for about 2 days after going to the gym...

          2 replies 0 retweets 2 likes
        3. Andres Freund (Tech)‏ @AndresFreundTec 15 Sep 2019
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          Replying to @dave_andersen @taviso

          Have the same problem. A few years back I went bouldering, and then tried to pick up my US work visa in a US embassy the next day. Took like 20min for them to take a fingerprint that they considered sufficient. Lots of joking around about me having filed them off and such.

          0 replies 0 retweets 3 likes
        4. End of conversation
        1. New conversation
        2. Charles Indelicato‏ @cindelicato 15 Sep 2019
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          Replying to @taviso

          Didn't know about beeswax; good tip.

          1 reply 0 retweets 1 like
        3. Ed Bott‏Verified account @edbott 15 Sep 2019
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          Replying to @cindelicato @taviso

          This could be a life-altering discovery for me.

          0 replies 0 retweets 1 like
        4. End of conversation

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