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"PIN Security"

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HCE mobile payment PIN strategies

HCE

What Are the PIN Strategies in HCE?

There are three types of PIN strategy in HCE (Host Card Emulation): No PIN, Card PIN and Wallet PIN or customer biometric data. Each balances user experience and security differently.

Table of Reimbursement Attribute values used in the clearing process

Clearing

What is Reimbursement Attribute?

DE03/Reimbursement Attribute carries the Reimbursement Value of a transaction. BKM uses this information as the basis for calculating interchange fees and charges between member banks.

Illustration depicting digital POS payment terminals

Merchant & POS

What is Digital POS?

The digital form of Point of Sale (POS) systems is called Digital POS. There is also a software-only subtype called Virtual POS. After Mobile POS (mPOS) and Virtual POS usage became widespread, the term digital POS came to refer to these two products.

PIN try counter on chip cards

Credit Card

What Is the PIN Try Count?

The PIN Try Count is the maximum number of failed offline PIN verifications that can be made with the card. Banks usually keep both the consecutive wrong PIN count and the maximum wrong PIN count.

Illustration representing credit card fraud and online payment security risks

Fraud

What is Fraud? What are the Types of Fraud?

With the growth of credit and debit card usage and rising e-commerce transaction volumes, there has been a serious increase in exploiting user negligence to harm customers. Fraud means using someone else's card at a merchant or ATM to gain unjust profit.

Diagram comparing the 3D, 3D Pay, and 3D Pay Hosting payment models

Payment Systems

What are the 3D Secure Payment Models?

In card payment transactions made via a physical POS device, entering the card's PIN keeps the transaction secure, while in virtual POS transactions, security is provided through the 3D Secure flow. Are 3D Secure payment methods standardized? There are 3 different 3D Secure models.

Illustration of a Zone PIN Key (ZPK) protecting PIN data in a payment network

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.

Photo of a Pin Entry Device (PIN pad) used for card payments

Merchant & POS

What is a Pin Entry Device (PED)?

Pin Entry Device is another name for the PIN pad device we all know and use daily. It makes it easier for users to enter their card PIN during POS transactions with credit or debit cards, and is used for contactless card reading...

Diagram illustrating the PIN Change/Unblock command process

EMV

What Is Pin Change/Unblock?

The Pin Change/Unblock command is used after card issuance to let the issuer remove a card's PIN block, or instantly change the reference PIN and remove its block, as well.

Physical credit card compared with a virtual card on a mobile phone

Credit Card

Physical or Virtual Credit Card: Which Do You Prefer?

Digitalization is reshaping payment systems. Credit cards are moving from physical plastic to virtual cards, e-wallets and mobile payments. Will physical card use disappear completely? Here is a look at the trends, Generation Z and the remaining gaps.

Biometric credit card with a fingerprint sensor

Credit Card

What is a biometric credit card?

Technology continues to make our lives easier and more secure. Old ID cards were just laminated paper; new ones became personalized and secure with biometric photos added alongside chip data.