CRYPTOMATHIC BLOG

 

Payment Security (2)

4 min read

Exploring The EMV Personalization Process

EMV Personalization of a payment card is the process of writing data to the card in order to make it ready for use. This includes loading the card...

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Cardholder, Merchant, Issuer & Acquirer - The Four Corners Model for Payment Security and Key Management

4 min read

Payment Security & Key Management: The Four Corners Model

The “Four Corners” model, also called the “Four Party Scheme”, is utilized in almost all standard card payment systems across the globe. Here, we...

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PCI PIN Requirements for Key Blocks in the Payment Card Industry - FAQs

3 min read

FAQs on PCI PIN Key Blocks & Their Requirements

This article proposes a few answers to a series of frequently asked questions (FAQs) about key blocks and their use with PCI.

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4 min read

EMV Payment Security - Acquirers

In the “four corner model”, acquirers are apparently the less active party as their role seems ‘only’ to forward the transaction flow originating...

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3 min read

How EMV Payment Security Works for Issuers

An issuer is one of the corners in the ‘four corner’ model. An issuer is a financial organization (e.g. a bank) that produces payment cards and...

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Payment Security - Cardholders

4 min read

EMV Payment Security for Cardholders: Overview & Practices

Cardholders (or consumers) are one of the corners of the ‘four corner’ model in the payment card world. Here we take a brief look at the payment...

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