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submitted 1 year ago* (last edited 1 year ago) by db0@lemmy.dbzer0.com to c/selfhosted@lemmy.world

I noticed a bit of panic around here lately and as I have had to continuously fight against pedos for the past year, I have developed tools to help me detect and prevent this content.

As luck would have it, we recently published one of our anti-csam checker tool as a python library that anyone can use. So I thought I could use this to help lemmy admins feel a bit more safe.

The tool can either go through all your images via your object storage and delete all CSAM, or it canrun continuously and scan and delete all new images as well. Suggested option is to run it using --all once, and then run it as a daemon and leave it running.

Better options would be to be able to retrieve exact images uploaded via lemmy/pict-rs api but we're not there quite yet.

Let me know if you have any issue or improvements.

EDIT: Just to clarify, you should run this on your desktop PC with a GPU, not on your lemmy server!

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[-] snowe@programming.dev 105 points 1 year ago

Hey @db0@lemmy.dbzer0.com, just so you know, this tool is most likely very illegal to use in the USA. Something that your users should be aware of. I don't really have the energy to go into it now, but I'll post what I told my users in the programming.dev discord:

that is almost definitely against the law in the USA. From what I've read, you have to follow very specific procedures to report CSAM as well as retain the evidence (yes, you actually have to keep the pictures), until the NCMEC tells you you should destroy the data. I've begun the process to sign up programming.dev (yes you actually have to register with the government as an ICS/ESP) and receive a login for reports.

If you operate a website, and knowingly destroy the evidence without reporting it, you can be jailed. It's quite strange, and it's quite a burden on websites. Funnily enough, if you completely ignore your website, so much so that you don't know that you're hosting CSAM then you are completely protected and have no obligation to report (in the USA at least)

Also, that script is likely to get you even more into trouble because you are knowingly transmitting CSAM to 'other systems', like dbzer0's aihorde cluster. that's pretty dang bad...

here are some sources:

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this post was submitted on 28 Aug 2023
798 points (99.0% liked)

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