I’ve been thinking a lot about this since I read the article and findings over a week ago. It’s probably old news by now, but just in case it’s been missed:
Privacy international have used a MITM proxy to see what a collection of popular android apps are doing without user knowledge. They found that a lot of them send data to Facebook as soon as the app is open (over 60%), regardless of if you have a Facebook account. I verified this using a popular firewall app and some of the apps mentioned - on opening the app tries to communicate with a FB server using the Facebook SDK. This obviously presents a massive breach of the GDPR for EU users, but more importantly a massive failing on part of FB and a concern for all worldwide.
The findings are here: https://privacyinternational.o…ractions-facebook-android
Leaked information ranges from the ‘benign’ such as your google ad ID (to track non FB users outside of the platform) to how many times you’ve opened and closed apps and what they are, and in the case of some apps, they communicated with FB how many children you have and your flight departure and destination info. Nice one FB...
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