this post was submitted on 15 Jul 2024
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Privacy

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Any tech finance folks know what information ATMs get from bank cards?

I found a few articles on how ATMs work:

Those articles all skip the crucial details that privacy embracing users would care about: what all info is on the bank card that ATMs have access to and what does the ATM machines do with it?

In principle, I could only imagine that an ATM would get non-personal details like a card №, acct №, card type, and issuing bank -- not necessarily the card holder’s name or address. I would like to know for certain though. I need to file a complaint against an ATM network and so it matters who the target of my action knows about me. If I disclose the card number connected to transactions I am complaining about to a mediator who shares that with the ATM operator, could the ATM network/operator then obtain my name and retaliate against me for complaining / whistle blowing by blocking all my cards?

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[–] Jakdracula@lemmy.world 4 points 3 months ago