
Security
What Is a Qualified Security Assessor (QSA)?
A Qualified Security Assessor (QSA) is a person approved by the PCI Security Standards Council to audit merchants for compliance with the Payment Card Industry Data Security Standard.
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Security
A Qualified Security Assessor (QSA) is a person approved by the PCI Security Standards Council to audit merchants for compliance with the Payment Card Industry Data Security Standard.

Security
A Qualified Security Assessor (QSA) is approved by the PCI Security Standards Council to audit merchants for PCI DSS compliance. The lists of QSA and ASV companies are published on the Council's website.

Merchant & POS
CAVV and AAV are verification codes used in 3D Secure transactions to ensure transaction integrity and security. CAVV is used by Visa, while AAV is used by Mastercard.

Merchant & POS
PSD stands for Payment Services Directive, known as the Payment Services Law. It took effect in EU countries in 2009, and in 2015 new revisions were announced as PSD1, aiming to build an efficient, fast, secure, and competitive payment market.

Credit Card
A prepaid card is a customized card, with or without a chip, not linked to a bank account and without a credit limit like credit cards, letting you spend only the amount loaded onto it.

Merchant & POS
In the past, collecting a payment meant physically swiping a card through a POS device. Payment methods have since diversified so much that customer satisfaction, transaction counts and volumes have all increased. Here is why SMS payment is gaining popularity.

Credit Card
First, your card must be enabled for e-commerce transactions, with domestic and international authorizations usually managed separately. Second, your card must be eligible for 3D Secure transactions.

Merchant & 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.

Payment Institutions & E-Money
On 7 October 2023, the CBRT amended the Communiqué on Information Systems of Payment and E-Money Institutions and Data Sharing Services of Payment Service Providers, first published on 1 December 2021. Links to the new text, a comparison table and a detailed summary of changes follow.

E-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.

Online & Authorization
Electronic Commerce Indicator (ECI) is a 2-digit value generated by payment schemes (Visa, MasterCard, etc.) in 3D Secure transactions to determine the transaction's security level (Full 3D Secure, Half 3D Secure, Non 3D Secure), and it varies by payment scheme.

Credit Card
A digital wallet is an electronic wallet where credit, debit, or prepaid cards are registered in one place. Cardholders can securely add, store, update, and delete card details, then pay with a single click.