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WARNING: Lemmy Self-Hosters, There Have Been CSAM Attacks taking place against !lemmyshitpost@lemmy.world (jamie.moe)

submitted 1 year ago* (last edited 1 year ago) by Jamie@jamie.moe to c/selfhost@lemmy.ml

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There have been users spamming CSAM content in !lemmyshitpost@lemmy.world causing it to federate to other instances. If your instance is subscribed to this community, you should take action to rectify it immediately. I recommend performing a hard delete via command line on the server.

I deleted every image from the past 24 hours personally, using the following command: sudo find /srv/lemmy/example.com/volumes/pictrs/files -type f -ctime -1 -exec shred {} \;

Note: Your local jurisdiction may impose a duty to report or other obligations. Check with these, but always prioritize ensuring that the content does not continue to be served.

Update

Apparently the Lemmy Shitpost community is shut down as of now.

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[-] thisisawayoflife@lemmy.world 5 points 1 year ago

Naive question here: would it be valuable to generate hashes of those images and provide them as a public database? Seems like it would be valuable to reject known images using some mechanism to prevent this from happening broadly. It wouldn't stop someone from on-the-fly systematically editing/saving/uploading CSAM, but hashes are cheap to store and it would at least provide one barrier to entry.

this post was submitted on 28 Aug 2023

283 points (100.0% liked)

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