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Facebook won’t let you opt out of its phone number ‘look up’ setting - Evolving Communications
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Facebook won’t let you opt out of its phone number ‘look up’ setting

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Facebook won’t let you opt out of its phone number ‘look up’ setting

Users are complaining that the phone number Facebook hassled them to use to secure their account with two-factor authentication has also been associated with their user profile — which anyone can use to “look up” their profile.

Facebook doesn’t give you an option to opt-out.

Last year, Facebook was forced to admit that after months of pestering its users to switch on two-factor by signing up their phone number, it was also using those phone numbers to target users with ads. But some users are finding out just now that Facebook’s default setting allows everyone — with or without an account — to look up a user profile based off the same phone number previously added to their account.

Facebook and it’s spin-off platforms Instagram and WhatsApp all share your phone number.

The recent hubbub began today after a tweet by Jeremy Burge blew up, criticizing Facebook’s collection and use of phone numbers, which he likened to “a unique ID that is used to link your identity across every platform on the internet.”

Although users can hide their phone number on their profile so nobody can see it, it’s still possible to “look up” user profiles in other ways, such as “when someone uploads your contact info to Facebook from their mobile phone,” according to a Facebook help article. It’s a more restricted way than allowing users to search for user profiles using a person’s phone number, which Facebook restricted last year after admitting “most” users had their information scraped.

The recent hubbub began today after a tweet by Jeremy Burge blew up, criticizing Facebook’s collection and use of phone numbers, which he likened to “a unique ID that is used to link your identity across every platform on the internet.”

Although users can hide their phone number on their profile so nobody can see it, it’s still possible to “look up” user profiles in other ways, such as “when someone uploads your contact info to Facebook from their mobile phone,” according to a Facebook help article. It’s a more restricted way than allowing users to search for user profiles using a person’s phone number, which Facebook restricted last year after admitting “most” users had their information scraped.

Facebook gives users the option of allowing users to “look up” their profile using their phone number to “everyone” by default, or to “friends of friends” or just the user’s “friends.”

But there’s no way to hide it completely.

Using security to further weaken privacy is a lousy move—especially since phone numbers can be hijacked to weaken security. Putting people at risk

@zeynep

Read more at TechCrunch

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