ATM
Can ATMs Be Hacked?
ATMs are among the channels banks use most to serve customers. Besides being one of the most important channels, because they physically dispense cash and give access to a customer's account, many fraud cases occur at ATMs.
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"ATM network"
31 articles found
ATM
What Is an ATM?
ATM stands for Automated Teller Machine, an electronic device that lets customers carry out account transactions with or without a card. It was invented in 1960 by John Shepherd-Barron. The first ATM in Turkey was installed in 1982.
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.
HSM & Security
What is TPK (Terminal PIN Key)?
TPK stands for Terminal PIN Key. It is a data encryption key used to encrypt PINs for transmission between a terminal and the terminal's bank (acquirer) within a local network. Learn how TPK is used in POS and ATM devices.
ATM
How is PIN verification performed at an ATM?
At payment points such as ATMs and POS terminals, the most critical step is PIN verification or verifying the customer through their identity information. However, since ATMs cannot verify a customer's identity, PIN verification becomes more important. So how is it performed?
Payment Systems
Visa and Mastercard Branded Cards Will No Longer Work in Russia
After Russia invaded Ukraine, Visa and Mastercard suspended services for sanctioned Russian banks. This post explains the impact on cardholders and merchants, and Russia's MIR and UnionPay alternatives.
Payment System Institutions
What is the UnionPay Online Payment System (UPOP)?
UnionPay Online Payments (UPOP) lets merchants in China, New Zealand, Australia and other countries extend their e-commerce stores to accept UnionPay payments. UnionPay supports over 5 billion cards in more than 140 countries.
Credit Card
What is a Co-Badge Card?
A co-badge card is issued under two or more payment schemes (Mastercard, Troy, Diners Club, Discover, etc.). If a bank's product supports multiple schemes, customers can request a card carrying two or more payment brands.
ISO 8583
ISO 8583 Field Descriptions (F32)
F32 - ACQUIRING INSTITUTION IDENTIFICATION CODE: the 11-digit acquirer bank ID. The values it can take for domestic transactions and by card brand include Visa, MasterCard, UnionPay, Discover and JCB formats.
Debit Card
What Are the Cards Issued by E-Money Institutions and Their Transaction Fees?
The use of prepaid cards, and the number of prepaid cards issued by e-money institutions, has risen sharply. This post looks at why, how to choose a card, and which fees prepaid cards charge.
HSM & Security
What is ZPK (Zone PIN Key)?
ZPK, also known as the PIN Protection Key, is a data encryption key that is distributed automatically and used to encrypt PINs. It is also referred to as the 'Working Key'. This key allows PIN information to be carried securely across the network.
ISO 8583
ISO 8583 Field Descriptions (F95)
DE 95, Replacement Amounts, shows the transaction amount information in full or partial reversals. Here are its subfields and how it relates to F4.