this post was submitted on 16 Sep 2025
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Privacy

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Instagram is testing new iOS push notifications that include a profile photo. Each time the notification is shown on your screen, it triggers a GET request to fetch that image, letting Meta track ever (mastodon.social)
submitted 2 days ago by Blaze@piefed.zip to c/privacy@programming.dev
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[–] KSPAtlas@sopuli.xyz 2 points 1 day ago

Wasn't there a trick to abuse discord image caching and cloudflare caching to allow finding the approximate location of a user using a notification?