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Trust & Safety tools for working together to fight digital harms.

7 mentions on Hacker News by 5 people: 1 story, 6 comments · first 2019-08-02 · latest 2022-01-11

Mentions per year 7 mentions · busiest year 2022 (3)
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  1. It’s somewhere in the FAQ at https://stopncii.org/faq/ , but It’s PDQ for photos ( https://github.com/facebook/ThreatExchange/tree/main/pdq ) and MD5 for videos. PDQ is resistant to some modifications (it focuses on the ones that come from…
    comment by dcallies · 2022-01-11 · in Strengthening our efforts against the spread of non-consensual intimate images
  2. Yup, PDQ ( https://github.com/facebook/ThreatExchange/tree/main/pdq ) and MD5- https://stopncii.org/faq/ . MD5 is a cryptographic hash, which means that even a single bit changed gives you an entirely different hash. This usually precludes…
    comment by dcallies · 2022-01-11 · in Strengthening our efforts against the spread of non-consensual intimate images
  3. …technology - many of the building blocks are open source, like the PDQ photo hashing algorithm ( https://github.com/facebook/ThreatExchange/tree/main/pdq ) mentioned in FAQ ( https://stopncii.org/faq/ ). I might not be able to answer every…
    comment by dcallies · 2022-01-11 · in Strengthening our efforts against the spread of non-consensual intimate images
  4. The FAQ ( https://stopncii.org/faq/ ) mentions its using PDQ ( https://github.com/facebook/ThreatExchange/tree/main/pdq ) for images, and MD5 for videos. Companies would then use hashes to scan their platform. Meta also has a post on it:…
    comment by Shrogen · 2021-12-02 · in Stopncii.org – Client Side Hashing to Prevent Spread of NCII, Preserve Privacy
  5. …no new information to inform the conversation its press release wants to be a part of. [0]: https://github.com/facebook/ThreatExchange/blob/main/hashing...
    comment by kristjansson · 2021-11-10 · in Proposed illegal image detectors on devices are ‘easily fooled’
  6. …https://newsroom.fb.com/news/2019/08/open-source-photo-video... and the relevant GitHub link: https://github.com/facebook/ThreatExchange/tree/master/hashi...
    comment by mdaniel · 2019-08-02 · in Facebook open-sources image and video algorithms it uses to fight abuse
  7. ▲ 2
    Facebook open sources photo and video matching software
    story by trog · 2019-08-02 · 0 comments