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Payment Systems
One of the most notable recent developments in card payments is that contactless limits are no longer fixed and can be managed dynamically per customer. Mastercard and Visa are taking different but complementary approaches, and ISO 8583 may need to evolve with them.
Merchant & POS
To upload a version to a POS, the software on the POS and the authorization system on the bank side must support it. Version upload to a POS can be done manually on the device itself, or via a remote upload request.
Security
In the Man in the Browser fraud method, the goal is not to steal the user's password but to place malware in the browser itself. A malicious browser extension can alter the amount and recipient of the user's transfers at will.
Merchant & POS
The number of POS terminals, ATMs and cards in Türkiye is reported by BKM and updated monthly. Here is the link and how to read the figures.
Fraud
Data leakage is the intentional or accidental exposure of sensitive data through any channel where it is stored, processed or transmitted. This post covers its three main causes and the DLP solutions used to prevent it.
Merchant & POS
A POS is a functional device with its own dedicated software, customized according to the authorization system of the bank it is connected to, that accepts credit or debit cards. So, banks abroad launch dozens of new card products every day…