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Content type: Report
Like many others, PI were alarmed at recent reports that Facebook have been making mobile phone numbers (which users believed to be) provided for the express purpose of "two-factor authentication" (2FA) both searchable, and a target for advertising by default.
One of the myriad ways Facebook displays targeted adverts to users is through so-called "Custom Audiences". These "custom audiences" are lists of contact details, including phone numbers and email addresses, uploaded by advertisers.…
Content type: Case Study
Photo by Roger H. Goun
Chloe is an investigative journalist working for an international broadcast service; we will call the TV show she works for The Inquirer. She travels around the world to work with local journalists on uncovering stories that make the headlines: from human trafficking to drug cartels and government corruption. While her documentaries are watched by many and inspire change in the countries she works in, you would not know who Chloe is if we were to tell you her real name.…
Content type: Long Read
(In order to click the hyperlinks in the explainer below, please download the pdf version at the bottom of the page).
Content type: Report
6 March 2019
Privacy International (PI) has written Facebook to express our concern and request urgent answers regarding its policy on the sharing of mobile phone numbers of its users.
Alarmingly, recent reports say that some of the phone numbers provided by users for the express purpose of two-factor authentication (2FA) as a way of securing their accounts are now made searchable across the platform by default.
PI is concerned that allowing such numbers to be searchable…