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Pinboard

@Pinboard

The light inside is broken, but I still work. The Cadillac of online bookmarking sites. Alleged nocoiner. http://pinboard.in  maciej@ceglowski.com +1 415 610 0231

Lonely street of broken dreams
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    1. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019

      The NYT article that underlies these statistics just seems *distressingly* unconcerned with the actual kids. You see a picture like this, the first question any reasonable person asks is: holy shit, does this mean a huge increase in exploited children?! Not this article.pic.twitter.com/X2HpAOivmN

      3 replies 7 retweets 61 likes
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    2. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019

      The article even goes on to say that part of the reason these numbers are spiking is because of *improved detection efforts* at providers.

      2 replies 3 retweets 47 likes
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    3. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019

      Mass surveillance of child sexual imagery seems like a particularly stupid and ineffective way to fight this crime. People who share these images aren’t terrorists in some tight cell structure. They’re just randos who find each other on the Internet.

      3 replies 8 retweets 48 likes
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    4. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019

      If you want to bust online sharing rings, you don’t need to build a mass-scale image recognition system that would make Xi Jinping jealous. Just have your agents make some fake accounts and hang out in the wrong part of the web.

      5 replies 26 retweets 92 likes
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    5. Pinboard‏ @Pinboard 3 Oct 2019
      Replying to @matthew_d_green

      The people fighting child sexual exploitation are pretty vocal about the status quo (basically, Facebook matching images against a known database) being extremely helpful.

      2 replies 0 retweets 4 likes
    6. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019
      Replying to @Pinboard

      How? Can you explain? It’s not reducing the incidence of this particular crime any, if I read this article. Is it catching abusers? Do you have links?

      1 reply 0 retweets 1 like
    7. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019
      Replying to @matthew_d_green @Pinboard

      In any other area, if we deployed a crime prevention system and the rate of that crime increased by 1,750% in the four years after it went live, we’d say that it wasn’t working well. But that’s more a criticism of the statistics the NYT article uses.

      2 replies 0 retweets 4 likes
    8. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019
      Replying to @matthew_d_green @Pinboard

      I’m open to the idea that maybe “number of images shared” isn’t actually a useful number. What I want to understand is: what actions get taken on the basis of these systems, and how do they help kids?

      1 reply 0 retweets 2 likes
    9. Pinboard‏ @Pinboard 3 Oct 2019
      Replying to @matthew_d_green

      They get referred to NCMEC, who triages them and brings them to law enforcement. In some cases they can identify the child and get them out of the abusive environment. They speak eloquently and at length about how valuable the referrals are, and how many kids it has rescued

      1 reply 0 retweets 3 likes
    10. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019
      Replying to @Pinboard

      But this system identifies only sharing of *known child pornography*. How does it help to identify a specific child who was abused to make that imagery?

      1 reply 0 retweets 1 like
      Pinboard‏ @Pinboard 3 Oct 2019
      Replying to @matthew_d_green

      Most of the stuff is made by family members. Clues within the material can help identify it, as well as the networks it disseminates through. In a lot of cases, the abuse is ongoing and chronic, so if you can find someone, you can remove them from a terrible day to day reality

      6:46 PM - 3 Oct 2019
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      2 replies 0 retweets 2 likes
        1. MD‏ @mikeydoubled 3 Oct 2019
          Replying to @Pinboard @matthew_d_green

          Europol seeks “open source” help as well using pictures from the same image sets to identify locations & products that can narrow down where abuse is happening and direct police efforts: https://www.bellingcat.com/news/uk-and-europe/2019/07/02/more-europols-stop-child-abuse-photographs-geolocated/ …

          0 replies 0 retweets 1 like
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        1. Matthew Green‏Verified account @matthew_d_green 3 Oct 2019
          Replying to @Pinboard

          So it’s not just searching through known imagery? It’s actively pulling out all kinds of imagery that matches some heuristic, and then humans are going through private photos?

          0 replies 0 retweets 0 likes
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