Skip to content

Search

"connected devices"

43 articles found

Diagram showing different types of POS terminals used for card payments

Merchant & POS

What Is a POS (Point of Sale)?

Virtual or electronic authorization devices connected to a bank, used by merchants to accept card payments. The term comes from the English phrase Point of Sale. Covers POS types by communication method, their advantages, who can use one, and the transactions a POS can perform.

Diagram illustrating a Trusted Execution Environment (TEE) architecture

HSM & Security

What is TEE (Trusted Execution Environment)?

A Trusted Execution Environment (TEE) is an environment where executed code and accessed data are isolated and protected in terms of confidentiality (no one has access to the data) and integrity (no one can alter the code or its behavior). We may not realize it, but many…

Diagram illustrating a man-in-the-middle attack intercepting communication between a client and a server

Fraud

What is a Man-in-the-Middle Attack (MITM)?

A man-in-the-middle attack is a method in which an attacker inserts themselves between the server and client to intercept users' information, steal passwords, and gain access to accounts on a local network. This fraud mostly occurs over public internet connections.

Illustration of digital transformation in payment systems

Merchant & POS

How Digital Are You in Payment Systems?

Digitalization has brought major change to payment systems, just as it has to every area of our lives. Its biggest impact has been turning the financial world into something virtual, spanning IoT, mobile payments, blockchain and biometrics.

ATM jackpotting attack illustration

ATM

What Is Jackpotting?

Jackpotting describes a method criminals use to steal money from ATMs. With physical access to the machine, they take control of it and make it dispense all of its cash.

Comparison of online and offline token verification in payment transactions

HCE

What Are Transaction-Based (Online/Offline) Token Types?

Token types vary depending on the verification method used in a transaction. In offline transactions, general checks are performed by the mobile app and card reader without any verification in the card system. In online transactions, token verification is sent to and verified by the issuer.

Illustration explaining how NFC technology enables contactless payments

HCE

What Is NFC?

NFC, known as Near Field Communication, is a technology that transfers data wirelessly between devices within 10 cm. It is used for data transfer, device pairing, and as the basis of contactless payments.

Cryptocurrency mining concept illustration showing mining hardware and blockchain blocks

Cryptocurrency

What Is Cryptocurrency Mining?

Mining is the production of cryptocurrency through hardware and software, as well as the recording and confirmation of cryptocurrency transfers. Because block difficulty rises with each new unit, mining requires very powerful processors.

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.

Contactless reader device attached to a POS terminal

Merchant & POS

What Is a Contactless Reader?

These are devices connected to a POS terminal that allow fast payments, up to a certain limit, using contactless credit cards or prepaid cards by tapping them on the contactless reader instead of the POS's card reader. Can every POS have a contactless reader attached?

Illustration representing electronic payment systems

Payment Systems

What are Payment Systems?

Let's talk about payment systems, which we have heard more about since the internet entered our lives, and the basic structures behind them. The first credit card in the world was used in America in the 1920s.