Recently, Facebook acknowledged that the "accidental" imported contact listswithout consent from May 2016. Even if you do not have a Facebook account, you may have been affected by one of your friends signed up for a new account. And if a family member's friends have received a new account, either for the first time or as a professional or business site, it may be your email address that feeds the social networking ad targeting and friend setting system.
While Facebook noto register an account, it is the latest event to shake confidence in Facebook's ability to protect its approximately 2.3 billion users.
You can check to see if your contacts have been uploaded and can delete your contact list from the cache in Facebook.
Delete Your Imported Contacts
Unfortunately, unless Facebook contacts you, the only way to know if your contacts were imported is to look at your uploaded contacts. Like this.
Step 1 : When logged in to Facebook on your Android or iPhone ($ 1000 on Amazon) tap on the three stacked lines and select Settings from Settings and confidentiality . If you are using a desktop, click the down arrow and select Settings.
Step 2 : Scroll down to Your Facebook information (desktop users must click on this) and press Get access to your information.
Step 3 : Scroll down to the section Information about you . Tap About you and select your address books.
You will be a page that says Manage your invitations and uploaded contacts. This screen shows all your contacts that have been imported. If you do not see a long list of contacts, your account has not been affected and you do not need to proceed to the next step. Hint: It will say "You have no imported contact information."
Step 4 : Click "Delete All". This will remove all of your contacts imported from your email account, but you will need to follow the next step to keep them from importing.
Here's how to keep Facebook from uploading your friends' email addresses
To prevent these contacts from being re-imported, follow the following steps on every device you have logged into Facebook – yes It means your phone and your tablet. Yes, it is a pain that you have to do several times. But your friends will thank you for not sharing the information.
Step 1 : Touch the stacked three rows at the top of the app and select Settings and Privacy . Tap Settings.
Step 2 : Scroll down to the section Media and Contacts . Tap Upload contacts.
Step 3 : Tighten the button to the left to disable contacts from automatically uploading. Make sure you do this for every device you have Facebook on.
What if I use the Facebook Messenger app?
It's easy! Tap your profile picture in the upper left corner. Tap People, and then tap Upload contacts to turn off the setting. Do this for all devices that use Messenger.
When you turn off contact upload, all contacts you sent to Messenger are deleted – intentionally or not –