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"Information Security"

221 articles found

Credit card statement showing an unrecognized transaction

Credit Card

Is Your Card Making Purchases Without Your Knowledge?

While reviewing your credit card statement, you suddenly notice a transaction you never made. What would you think? Is your card going shopping while you sleep? Let's look at how this can happen and what to do about it.

Illustration of a phone scam call impersonating a bank

Security

We're Calling From the Bank, Your Account Has Been Compromised...

Fraud cases where scammers pose as bank staff or other institution employees to obtain citizens' banking information have increased significantly recently. Interestingly, the new fraud trend closely mirrors the steps of a genuine banking procedure.

Diagram illustrating the Remote Key Loading (RKL) process

ATM

What Is RKL (Remote Key Loading)?

RKL is the process of distributing a TMK (Terminal Master Key) to each terminal from a central point. It is used to remotely load keys onto POS and ATM devices, loading TMKs onto an ATM's keypad or activating them on a POS.

Illustration of a Card Not Present (CNP) online payment transaction

Credit Card

What Is a CNP (Card Not Present) Transaction?

CNP refers to a transaction made through a website or a company's own app payment page, where the card is not read by any device and its details are entered manually. It is short for Card Not Present.

Illustration representing digital payment methods such as cards and mobile wallets

Merchant & POS

What is Digital Payment?

Payments made over the internet are called digital payments. Card payments, cryptocurrency, and online banking transfers all fall within the scope of digital payment, along with mobile wallets and QR code payments.

Bitcoin ATM kiosk used for buying and selling Bitcoin

ATM

What Is a Bitcoin ATM? How Does It Work?

A Bitcoin ATM (BTM) is a specialized kiosk designed for Bitcoin transactions, letting users buy and sell Bitcoin. General features: it enables Bitcoin purchases and sales, and while it visually resembles traditional ATMs...

Card skimming device attached to an ATM card reader slot

Fraud

What Is Card Skimming?

Card skimming is the theft of card information by copying it with the help of a device. Because data inside the chip is very difficult to steal, chip cards are far more secure than magnetic-stripe cards. Turkey is very advanced in card security technology.

Shopper at an online checkout seeing a failed payment message because of an insufficient funds check

Online & Authorization

Why Do Your Payments Fail? How Funds Confirmation APIs Solve It

You press the pay button and the screen says the transaction failed. Behind that failure are checks on your balance and transaction security. This post explains how funds confirmation APIs work, where they apply, and the situation in Turkey's open banking.