Skip to content

Search

"Information Security"

221 articles found

Illustration showing how an Application Identifier (AID) is used in a chip card transaction

EMV

What is an Application Identifier (AID)?

The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.

Illustration of voice shopping and mobile payments with Mastercard

Merchant & POS

MasterCard Is Getting Ready for Voice Shopping

Payment systems once meant a physical card and a PIN on a POS device. Digitalization that began with contactless transactions has accelerated with mobile payments, and MasterCard is now working on voice shopping and Soft POS in Turkey.

Mifare contactless smart card

Debit Card

Features of Mifare Cards

We previously explained detailed information about Mifare cards at the link below: https://unalarif.com/yazi/mifare-kart-nedir/ Now let's list the technical features of Mifare cards.

Screenshot of the Official Gazette announcing Law No. 7192 on payment and securities settlement systems

Laws & Regulations

What Is Law No. 7192 and What Does It Include?

Law No. 7192 amends certain articles of Law No. 6493 on Payment and Securities Settlement Systems, Payment Services and Electronic Money Institutions. Announced on 22 November 2019, it entered into force on 01.01.2020.

Illustration of mobile commerce: shopping and payments made on a smartphone

E-commerce

What Is Mobile Commerce?

In recent years, data exchange over wireless mobile devices has become much faster and more secure. In 2019, mobile devices were used in 54.5 percent of purchases made by e-commerce users. With the steady growth in mobile users, mobile commerce keeps gaining ground.

Payment card being swiped on a tampered POS device in a credit card fraud scheme

Credit Card

A New Method in Credit Card Fraud!!

Credit card fraud keeps changing form, but the aim is always to trick the cardholder into giving up card details. Fraudsters posing as delivery couriers now copy cards on modified POS devices. Here is how the scam works and how to protect yourself.

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.