Facebook is collecting your data even when you’re not connected

Facebook collecte vos données même quand vous n'êtes pas connectés

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Facebook, mired in a scandal of misuse of personal information, confirmed Monday that he collected the data from internet users including when they were not on the social network, a practice which, he says, he has not the monopoly.

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When asked about this, several times last week during his Congressional hearings, the CEO Mark Zuckerberg had already explained that the group was collecting many data other than those that its users share on their profile.

In a text published Monday on the blog of Facebook, David Base, an official “product” of the group, details how the network “retrieves data from other websites or applications” using one of the many “tools” marketing Facebook, that allow them to measure the impact of their ads on the network, but also outside of the social network.

For example, Facebook collects information when a user clicks on the button “I like” or “Share” on another website (an article on a news site for example) or it accesses a site or an application through its “login” (its identifiers) Facebook.

But the advertisers that have ads on Facebook can also broadcast outside of the social network, on another website or application, it is another marketing tool proposed by the group. When a user clicks on that advertisement of an advertiser, which is part of the network of advertisers to Facebook, the latter also recovers some of the info.

Thus “when you visit a site or app which uses our services, we receive information even if you are disconnected or if you do not have account Facebook. This is because the other apps or sites don’t know who uses Facebook,” writes Mr. Baser, who states that many other companies are collecting data in these different ways, such as Twitter or Google.

Among the retrieved information, the IP address, the browser (Chrome, Safari, Explorer…), or even the operating system of the device (Android, Windows etc…).

“We demand for sites and applications that use our tools to tell you that they collect information and that they share them with us and (demand) that you ask for permission,” writes David Base.

It is via a third-party application offered on Facebook that the british firm Cambridge Analytica placed a hand on the data of tens of millions of users of Facebook without their knowledge.

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