iPhone "security" ?
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I wonder if anybody here can explain this: On my iPhone I NEVER let ANY app access my contacts. Despite this my Telegram [messaging-]app discovers my contacts, when friends sign up for Telegram. :confused::confused::confused: No it is not because they have me in their contacts/Telegram, they appear in Telegram with the nickname i have given them in my "Contacts". And please save your "Apple-fanboi-jokes" for a better opportunity. Thanks.
"If we don't change direction, we'll end up where we're going"
Assuming all privacy etc is working, could it be iOS converting a phone number or email into a "friendly" name for the app? Of course, if the app is allowed to "see" the friendly name, then there is some leakage. This should be provable by moving a phone number or email to a new contact. If iOS allows phone-local contacts like android, then try it with one of those.
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No. As explained in my OP. How would their app know what nicknames I have given them?
"If we don't change direction, we'll end up where we're going"
Just a coincidence. Before he changed it, your boss' name was actually f*** Face.
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Assuming all privacy etc is working, could it be iOS converting a phone number or email into a "friendly" name for the app? Of course, if the app is allowed to "see" the friendly name, then there is some leakage. This should be provable by moving a phone number or email to a new contact. If iOS allows phone-local contacts like android, then try it with one of those.
This is what I was going to suggest. Declining app access to your contacts means it can't just hoover them up wholesale and use them in the app. It can't send everyone in your contacts an email or text asking them to get the app, or transfer all your contacts to a contact list in the app. Sounds like that worked correctly. But iOS does have a "feature" where it will check your contacts for a number and display the contact name instead of the number. So this could be what is happening. Unless the app is doing a screen capture and converting that to text, it still wouldn't have access to that contact information. I'm not sure if this is an API or an integral part of the OS, but it's caused some misunderstandings before IIRC.