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European Association for Secure Transactions EAST

ATM

What Is the European ATM Security Team (EAST)?

EAST, originally the European ATM Security Team, is a non-profit organization working on ATM security. Founded in 2004, it later broadened its scope and became the European Association for Secure Transactions.

Illustration representing an online mail order payment made with a debit card

Debit Card

Can Mail Order transactions be done with debit cards?

Debit cards and prepaid cards are generally closed to Mail Order transactions. The same usually applies to Non-3D (non-3D Secure) online transactions, which banks keep disabled by default to limit fraud risk.

Smartphone being used as a mobile POS device for a card payment

Merchant & POS

Mobile Phones Are Turning Into POS Devices

With advances in technology, mobile phones can now be used for many functions besides calls and internet access. One such innovation is the ability to use smartphones or tablets as POS devices.

Architecture diagram of the Visa EAS Server within the Visa Secure 3-D Secure authentication flow

EMV

What Is the Visa EAS Server?

The Visa EAS Server (Extended Access Service) is a server used in Visa’s authentication infrastructure. It was developed to run the cardholder authentication process securely between banks and the Visa network, particularly within Visa Secure (3-D Secure 2.x).

Illustration of a card present transaction being processed at a POS terminal

Security

What is a CP (Card Present) Transaction?

A CP transaction refers to a card transaction in which the card and cardholder are physically present at the location. Card Present transactions occur when the card's magnetic stripe or chip data is read by a POS terminal or ATM, or via contactless.

PCI Security Standards Council overview

Security

What is PCI SSC?

It is an organization aimed at developing, managing, teaching, and raising awareness of security standards in the Card Payments Industry. The PCI Security Standards Council is also an open global forum for data security standards.

Screenshot of a digital wallet mobile application interface

Credit Card

What is a digital wallet?

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.

Contactless card payment at a POS terminal

Credit Card

Contactless Payment Limit Is Being Raised

Current information: this post describes the limit that applied at the time of publication. According to a BRSA letter to banks, the PIN-free contactless transaction limit, raised to 750 TL in July 2022, will become 1500 TL from 1 July 2024.