Facebook: Did you give your phone to the social network?

New ιδιωτικότητας στο Facebook. Αυτή τη φορά, το μεγαλύτερο κοινωνικό δίκτυο, φαίνεται να “βάζει χέρι” στους αριθμούς κινητών τηλεφώνων των μελών του, που παρέχονται αποκλειστικά για τον έλεγχο παραγόντων, και όχι για στοχευμένες διαφημίσεις.

Of course, those of you who have given your Facebook number thought that it would only be used for two-factor authentication. Wrong Facebook uses numbers to connect with other people and target everyone with online ads.

For example, if someone you know, give his Facebook number and allow Facebook to access his smartphone's contacts, the application reads all his contacts (do you think he does not save them?). So it can connect you with some, and it will keep you connected even if there is a rupture in your relationships.
Of course, Facebook does not stop at promoting targeted ads, but also gives your number to αναζήτησης της σελίδας.

The Facebook phone number slogging outburst was sparked on Friday by Emojipedia founder Jeremy Burge, who publicly criticized the feature ς πληροφοριών του and searching for users via the phone number provided on Facebook for the sole purpose of securing the account.Facebook

"For years Facebook claimed that adding a phone number was for 2FA and only for security." he said through his Twitter. "Now they find you in the searches and there is no way to turn it off."

Facebook has partially disabled similar phone number searches in the past, preventing someone from looking for their profile number. Today Facebook seems to re-use the numbers in searches on certain accounts, and undoubtedly uses WhatsApp searches for numbers.

As explains Facebook to one support page, uses account security phone numbers to help your friends find you and some possible recovery of your account.

It does not indicate that it uses phone numbers for advertising. Researchers at Princeton University and Northeastern University in the US last year examined how Facebook uses personally identifiable information provided by users.

They found (PDF) “ότι οι αριθμοί τηλεφώνου και οι διευθύνσεις ηλεκτρονικού υ που προστέθηκαν ως χαρακτηριστικά του προφίλ για λόγους , όπως ο έλεγχος ταυτότητας δύο παραγόντων, όσοι αριθμοί δόθηκαν στην εφαρμογή Facebook Messenger με σκοπό την ανταλλαγή μηνυμάτων, αλλά και οι αριθμοί που συμπεριλαμβάνονται στις επαφές των χρηστών, χρησιμοποιούνται από το Facebook για να επιτρέπει σε διαφημιζόμενους να στοχεύουν χρήστες.”

According to Alex Stamos, a former Facebook security chief, the social network was planning to separate the phone numbers used for 2FA from other phone numbers given for other purposes, but that is no longer the case.


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Written by giorgos

George still wonders what he's doing here ...


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  1. Good Evening. Nice article!
    I wanted to ask the following: My fb "blocked" my account and asked for a phone number to send me a password. Of course I do not want to give my number.

    Is there anything I can do?

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