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Example of a 3D Secure verification screen displaying a Personal Assurance Message

Security

What is PAM (Personal Assurance Message)?

PAM (Personal Assurance Message) is a message that users set up for 3D Secure transactions. It appears on the password screen during checkout and confirms to the user that the screen truly comes from their own bank.

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.

Illustration representing real-time and near real-time fraud monitoring in payment systems

Fraud

What is Online (Real Time) and Near Online (Near Real Time) Fraud?

Fraud monitoring refers to tracking card transactions through scenarios to detect potential fraud and taking rapid action immediately before or after a transaction occurs - such as identifying a suspicious transaction, calling the customer, or temporarily blocking the card to prevent authorization.

Virtual POS online card payment illustration

Merchant & POS

What Are the Benefits of a Virtual POS for Merchants?

A virtual POS is a payment platform that enables online payments by credit or debit card. Banks also give merchants interfaces for mail order, pre-authorization, cancellations and refunds.

Embossed debit card with raised card number and cardholder name

Debit Card

What is an embossed debit card?

The main difference between embossed debit cards and standard debit cards is that the card number, cardholder name, and expiration date are printed in raised, embossed format rather than flat.

BKM Express mobile payment application illustration

Credit Card

What is BKM Express?

What is BKM Express? BKM Express is a technical infrastructure solution developed by BKM that lets you pay securely for online purchases without sharing your card's full details. What are the advantages of BKM Express? To register your card you don't need to enter all…

Diagram illustrating the RSA encryption algorithm

HSM & Security

What is RSA (Rivest, Shamir, Adleman) Key?

RSA, first used by Rivest, Shamir and Adleman, is a security algorithm used in digital cryptography. RSA differs from older symmetric algorithms because it enables digital signing and advanced encryption for e-commerce systems and high-profile institutions.

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.

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.

Illustration of customer-based contactless card limit management

Payment Systems

Can a Card's Contactless Limit Be Managed on a Per-Customer Basis?

Contactless payment has greatly improved the user experience, yet its fixed transaction limit is a common complaint. Can this limit be managed dynamically per customer? This post covers the current situation, technical and regulatory requirements and the outlook.