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Facebook: how to find out if Cambridge Analytica had access to your data | Social networks

Facebook launched a tool that lets you know immediately if your profile data has been shared with Cambridge Analytica. The news comes a day after the social network started sending notifications about the incident through apps for iPhone (iOS) and Android. However, few people would have received the alert on their cell phone.

As of this Tuesday (10th), the social network's Help Center shows a new topic that promptly informs you if the user may have had information revealed to the political marketing company.

Facebook changes to combat engagement in the 'if you like it, like it' style

Facebook: tips to prevent onlookers from looking at your information

Facebook: tips to prevent onlookers from looking at your information

The tool is limited to saying if the user and his network of friends participated in the This Is Your Digital Life test. To obtain the information, the user needs to access the support page with the logged in Facebook account. If your data has not been leaked, the following message is displayed by the social network:

Based on our available records, neither you nor your friends have entered the This Is Your Digital Life app. As a result, it does not appear that your Facebook information was shared with Cambridge Analytica by the This Is Your Digital Life app.

Help Center says if your account has been leaked to the political marketing company Photo: Reproduo / Paulo Alves Help Center says if your account has been leaked to the political marketing company Photo: Reproduo / Paulo Alves

Help Center says if your account has been leaked to the political marketing company Photo: Reproduo / Paulo Alves

The psychological testing app This Is Your Digital Life was created by researcher Aleksandr Kogan and used by Cambridge Analytica to improperly obtain data from Facebook users. Instead of obtaining information only from users who answered the questionnaire, the company also accessed the profiles of the participants' friends.

Unauthorized collection was possible due to a more open Facebook privacy policy in effect between 2007 and 2014. Until then, the social network allowed unrestricted access to user data by application developers like This Is Your Digital Life.

Cambridge Analytica reportedly used the information collected on Facebook to draw users' psychographic profiles. The goal was to fuel the digital marketing strategy of Donald Trump's 2016 US presidential campaign.

Initially, the estimate was that 50 million accounts would have been collected by Cambridge Analytica. However, a more detailed analysis of Facebook revealed that the number exceeds 87 million profiles. Most US users, but there are also cases in Brazil. According to the social network, the data of 450 thousand Brazilians were obtained improperly.

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