A leaked document written by a Facebook engineer reveals that 'Facebook cannot control personal information'
Facebook has been the subject of frequent privacy concerns, starting with the 2021
Facebook Data Lineage Internal Document - DocumentCloud
(PDF file) https://www.documentcloud.org/documents/21716382-facebook-data-lineage-internal-document
Facebook Doesn't Know What It Does With Your Data, Or Where It Goes: Leaked Documents
https://www.vice.com/en/article/akvmke/facebook-doesnt-know-what-it-does-with-your-data-or-where-it-goes
This time, the internal Facebook document obtained by the IT news site Motherboard was created in 2021 by an engineer in charge of developing and maintaining Facebook's advertising system. In order to protect the identity of the engineer, Motherboard has retyped the document into text and published it as a PDF file .
In the document, a Facebook engineer presented an illustration of a 'lake of Facebook data' and then said, 'Imagine a jar of ink. Inside this jar are all kinds of user data. And then you pour that ink into a lake in an open data system, so how do you get this ink back into the jar, or make sure it only flows into the lake where it's allowed? Is it?' He complained that Facebook could not control user data.
In recent years, regulators around the world have taken steps to prevent platforms like Facebook from uncontrolled use and dissemination of user data. One of the strongest among them is
In the past, Facebook used the user's phone number obtained for two-factor authentication to display 'maybe you know' or to publish it to advertisers as a 'shadow contact book'. Due to the enforcement of the GDPR, which prohibits the use of data for purposes other than those specified, Facebook can no longer divert phone numbers.
The 'Shadow contact book' problem is described in detail in the following article.
Facebook provides advertisers with a ``shadow contact book'' that is not disclosed to users - GIGAZINE
by Stock Catalog
According to Motherboard, the ``problem that even engineers admit that they can't figure out the whereabouts of Facebook user data'' revealed in this leaked document is called ``data lineage'' within Facebook. It is said that there is.
A Facebook spokesperson said of the data lineage issue, ``The lake analogy lacks the context that we have extensive processes and controls to manage data and comply with privacy regulations.'' He denied, claiming that Facebook properly manages user data.
A Facebook spokesperson also acknowledged that Facebook employees do not have technical control over all data, and flagged data that has opted out of being used for advertising. He explained that he already has a mechanism and that he has started developing tools that automatically determine the whereabouts of user data.
On the other hand, a former Facebook employee who interviewed Motherboard on condition of anonymity confirmed the leaked document and commented, ``To put it bluntly, Facebook's data is completely messed up.''
The leaked documents also mentioned a service called 'Basic Ads,' which has yet to be launched. The service, which should have been launched in Europe by January 2020, will allow users to opt out of almost all data, such as likes, posts and friends lists, from being used for advertising. It was said that it was. The engineer who created the document describes 'Basic Ads' as 'a short-term measure to comply with regulations around the world.'
About ``Basic Ads,'' Facebook said, ``It is an internal codename to show that Facebook can build an advertising system that is relevant to users while protecting user privacy.'' declined to comment on the details of
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