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35C3 - How Facebook tracks you on Android

media.ccc.de · 25.6K views · 2018-12-30 · 43:37

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Overview

A 35C3 talk by Privacy International researchers who captured and decrypted traffic between Android apps and Facebook servers. They show many apps send Facebook device and usage data immediately on launch, even for users without Facebook accounts.

On Hacker News

HN cites it as the source for how Facebook's SDK tracks Android users by default.

Discussed on HN; no positive recommendation is recorded in this export · HN mentions 2019–2022

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What people said

seesawtron · 2022-01 · Reference

This [0] talk from Computer Chaos Club also points out how all applications that use Facebook as authentication option (or even without it) MUST send user data to Facebook Inc. This of course doesn't require a user to have a facebook account. [0] [VIDEO]

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propogandist · 2019-09 · Reference

the first things most apps try to do is attempt to connect w/ graph.facebook.com at launch (and periodically) this is true for your banking apps to music apps like Pandora and Spotify you can get Netguard, which functions as VPN/Firewall and get visibility into the data exfilitration that is happening right now on your Android phone (and block some of it). Similar things should exist on iPhone too CCC had some coverage recently, but this has been happening for a long long time - [VIDEO] * google apps are also constantly trying to phone home and panic when they cannot connect to the mothership, causing signficant battery drain... I haven't seen them trying to call facebook directly though

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blindseer · 2019-08 · Criticism

This is tangential, but I really dislike how this YouTube channel always downloads the original video, strips it of all information regarding the speaker and the conference and uploads it to their channel. Even though the original is published under Creative Commons Attribution, it still bothers me that they 1) download and reupload (wouldn't this be better accomplished by a playlist?) 2) strip information that makes it appear they produce the content. I'm curious what other people think about this. Anyway, here is the source [1] from their video description. [1] [VIDEO]

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Sources

Video by media.ccc.de, played through YouTube.

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