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145 sats \ 0 replies \ @Scroogey 21 Jan \ on: 0click deanonymization attack targeting Signal, Discord and other platforms tech
This also works with SN, as imgprxy.stacker.news seems to use CloudFront.
You can roughly locate another user by commenting where you expect only him to read it (first), including a unique image. You wait until the user has loaded the image, then query all CloudFront caches to see which one served it, giving a rough location as per the article.
If you didn't use Tor or VPN to hide your location (because you trusted @k00b to not divulge it), now maybe you should.