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Facebook is testing new technology that is designed to help victims of revenge porn acts.
It works on a database of file hashes, a cryptographic signature computed for each file.
Facebook says that once an abuser tries to upload an image marked as "revenge porn" in its database, its system will block the upload process. This will work for images shared on the main Facebook service, but also for images shared privately via Messenger, Facebook's IM app.
The weird thing is that in order to build a database of "revenge porn" file hashes, Facebook will rely on potential victims uploading a copy of the nude photo in advance.
This process involves the victim sending a copy of the nude photo to his own account, via Facebook Messenger. This implies uploading a copy of the nude photo on Facebook Messenger, the very same act the victim is trying to prevent.
originally posted by: theantediluvian
a reply to: loam
I can't see this taking off because nobody is going to take Facebook at its word that it's not secretly storing images but it's actually a novel approach. Perhaps what's needed is an app that can be used to generate hashes locally? Then the users would simply upload the hash.
In fact, you'd then have something that could be used for multiple social media platforms without potentially compromising the users' privacy.
The picture will be sent to “specially trained representatives” who will review the image and remove it if it violates Facebook standards.