ISO 8583
ISO 8583 Field Descriptions (F64)
F64 — Message Authentication Code (MAC): verifies the origin and text of the message between the sender and the receiver.
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"terminal management"
65 articles found
HSM & Security
What is TMK (Terminal Master Key)?
TMK stands for Terminal Master Key, a key-encrypting key distributed manually or automatically under a previously established TMK. It is used to distribute data encryption keys to an ATM or POS terminal within a local network.
Merchant & POS
What Is MPV (Central POS Database)?
MPV stands for Merkezi POS Veritabanı (Central POS Database), BKM's shared database of all POS terminals operated by its card-accepting members, used for support, statistics, fraud analysis and the Common POS Management System.
Payment Systems
Dynamic CVM Limit Management Approach: A New Era in Card Security
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.
Payment Systems
What is Soft POS? What are the important points in the Soft POS process?
Soft POS is a POS application that lets merchants accept payments from contactless cards or mobile wallets on Android devices, without needing a physical terminal. Companies market it under various names such as pocket POS or mobile POS.
Payment Systems
What is a Lost POS? What are the important points in the Lost POS process?
A Lost POS is a situation in which a POS device provided to a merchant by a bank or institution cannot be retrieved for any reason. Since POS devices are recorded as fixed assets, tracking them closely is essential.
Payment Systems
What is PCI PIN Transaction Security Point of Interaction?
PCI Point of Interaction (POI) was introduced to minimize risk in card transactions. PCI POI Security Requirements cover physical and logical security for both online and offline PIN entry devices (PED) and secure card readers.
Merchant & POS
What Is a Fallback Transaction?
When a chip can't be read due to a chip fault or the card being inserted incorrectly, the transaction is completed by swiping the magnetic stripe on the right side of the POS. Can chipless cards do fallback?
Merchant & POS
How Digital Are You in Payment Systems?
Digitalization has brought major change to payment systems, just as it has to every area of our lives. Its biggest impact has been turning the financial world into something virtual, spanning IoT, mobile payments, blockchain and biometrics.
Merchant & POS
What are Loyalty Points?
Loyalty points are promotional rewards banks give customers for credit card transactions, tracked on a card/customer basis. Banks charge merchants a commission on POS transactions, and some share part of that commission with cardholders as points.
ISO 8583
What Fields Make Up ISO 8583?
We covered the ISO 8583 basics in an earlier article. This post explains the ISO 8583 message structure in detail: every ISO 8583 message consists of three main parts - the MTI (Message Type Indicator), the Bitmap, and the Data Elements.
Payment Systems
Beware of Inefficient POS Terminals and Lines!
Why do institutions track inefficient POS terminals and lines? This post looks at the costs they create, such as device purchases, field service and software fees, and how to deal with merchants that generate little turnover.