The British company Privacy International revealed on Sunday at 35 Chaos Communication Congress how app developers deliver data on Facebook, even by non-Facebook users.
The company conducted a research on the subject, testing 34 applications Android που έχουν μεταξύ 10 και 500 εκατομμύρια χρήστες, και αναφέρει ότι “ανησυχεί ιδιαίτερα” για τον τρόπο με τον οποίο “αξιοποιούνται” τα δεδομένα των χρηστών στα back-end συστήματα του Facebook και της Google.
Privacy International found that 23 of the apps tested were sending data to Facebook (data they report to social network ότι ένας χρήστης άνοιξε ή έκλεισε μια συγκεκριμένη εφαρμογή μαζί με πληροφορίες για την device, ρυθμίσεις γλώσσας και ζώνης ώρας). Οι εφαρμογές έστελναν επίσης το αναγνωριστικό advertisingof the user's Google, which allows tracking companies to easily match user profiles.
Even making a special processing in the Kayak travel app, the researchers they discovered that it was handing over data to Facebook with every search within the app: time of search, city of departure and arrival, airport and date, number and class of tickets.
Privacy International pointed out that this behavior was repeated regardless of whether the user had disconnected from Facebook or had no social networking account.
"Facebook offers analytics and advertising services to application developers, which help them get centralized information on how people handle their applications, which is a common practice for many companies," Facebook said in a privacy statement. International.
Facebook also pointed to mode Clear History, που ανακοινώθηκε για πρώτη φορά τον Μάιο κατά τη διάρκεια του σκανδάλου Cambridge Analytica, as a means of handling complaints from Privacy International.
Privacy International also looked at how Facebook's policies compare to the GDPR requirements of Europe and the plan to minimize data.
However, with applications transferring data to Facebook before the user can use the application, Privacy International said there are many questions about whether there is any legal basis for data transfer.
"The fact that the default application of the SDK automatically transmits data when an app is opened, and that a feature to delay this transmission was released in July 2018 (meaning Clear History), raises questions about Facebook's responsibility to developers as well as the company's compliance with data protection," said Privacy International.
It is difficult to protect yourself from the kind of data exchange we have described in this survey.
Let's recall that last month, Facebook once again found itself exposing its users' data when it disclosed a bug in one of its APIs exposed private photos approximately 6,8 million users.
In October, we passed social network announced that unknowns had combined three bugs to access million token IDs of 30 token.
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