Is your Facebook phone number visible to the world?
Facebook has done it again!
If Facebook had your phone number, the world would be able to find your account! Change your Facebook settings now!
So how did this happen?
And most of all, how did Facebook get your information?
We'll answer that question (and why it's not easy to fix security concerns).
How did you get my phone number?
Have you ever used two-factor authentication to secure your Facebook account?
Then the answer is simple. Facebook has linked your account to your phone number, so when you log in, you'll receive a message on your phone asking you to verify your account.
Everyone can search your account by phone number, even if you hide your phone number in your profile.
Writer Jeremy Burge first raised the issue on Twitter. Then, similar dissatisfaction came out explosively from users.
"Phone number provided to Facebook for security purposes only. No privacy and no notice of this critical and dangerous change," security expert and writer Zeynep Tufekci tweeted. I am writing in
By default Facebook allows anyone to find you by phone number, chances are your account is already compromised.
Facebook won't abuse my phone number, right?
Sweet!
As noted by Gizmodo, last year Facebook used your phone number for two-factor authentication and harassed users with targeted ads (said it was used for "security purposes"). despite being there).
I haven't stopped using my phone number for other uses, like getting complete strangers to look me up without my consent.
How to check your privacy status on Facebook
Honestly, that's not all. Facebook can find your phone number even if you don't provide it. According to Burge, Facebook shares phone numbers with everyone, including Instagram and WhatsApp (both owned by Facebook).
If your friend is logged in with their account, they will also be able to access your phone's contacts and be able to find you.
Burge, as you can see in the screenshot, asked me to allow Facebook to share my phone number with me through cross-validation, even though I never gave my phone number to Instagram. rice field.
People who want to protect their privacy as much as possible can do the following: You can see your information in Settings > Privacy > Search and Contact Preferences.
Choose "Friends" under "Who can find me using my phone number?" You can also set up two-factor authentication with your email address.
Even if you've never had a Facebook account, you may still be at risk. But at least you won't get phone calls from high school acquaintances.
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Image: tuthelens/Shutterstock.com
Source: Facebook (1, 2), Twitter (1, 2, 3, 4), Gizmodo
Josh Ocampo - Lifehacker US [original]
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