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"hardware security"

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Diagram of HSM use case areas in security and payment systems

HSM & Security

What Is an HSM? What Is It Used For?

HSM, short for Hardware Security Module, is specialized security hardware built to store sensitive cryptographic keys in a physical environment and to perform cryptographic operations in the most secure way.

Secure Card Reader for PIN with mobile device

Security

What Is a Secure Card Reader for PIN (SCRP)?

A Secure Card Reader for PIN (SCRP) is a multi-function card reader that turns any iOS, Android or Windows device into a payment terminal able to accept chip and contactless payments with PIN.

Cover of the EMVCo Software-based Mobile Payment Security Requirements document

Security

What is Software-based Mobile Payment Security Requirements?

“Software-based Mobile Payment Security Requirements” is a document published by EMVCo in April 2020 to guide payment application developers in building secure payment applications. This post summarizes its purpose and who it concerns.

ISO 8583 field 64 message authentication code

ISO 8583

ISO 8583 Field Descriptions (F64)

F64 — Message Authentication Code (MAC): verifies the origin and text of the message between the sender and the receiver.

ATM PIN pad used for entering a card PIN

ATM

How is PIN verification performed at an ATM?

At payment points such as ATMs and POS terminals, the most critical step is PIN verification or verifying the customer through their identity information. However, since ATMs cannot verify a customer's identity, PIN verification becomes more important. So how is it performed?

Diagram illustrating the role of a Secure Element Issuer in mobile payments

HSM & Security

What is a Secure Element Issuer?

Secure Element Issuer is the stakeholder that provides, maintains, and updates the secure element in cases where mobile payment application and card data are stored in the secure element inside a mobile phone.

Screenshot illustrating how a payment gateway connects an e-commerce site to a bank

Online & Authorization

What is a Payment Gateway?

A payment gateway is the high-security connection banks provide for purchases made with a credit or debit card. Learn how it is set up and why it protects cardholder data.

Visa PIN security program guide illustration

Security

What Is the Visa PIN Security Program Guide?

The Visa PIN Security Program Guide describes the security and procedural requirements for acquirers and their agents that process PIN data or manage keys for PINs associated with Visa transactions.

Internet of Things connected devices illustration

Payment Systems

What Is IoT (Internet of Things)?

The Internet of Things (IoT) is a concept first used by Kevin Ashton in a 1991 presentation. It refers to many electrical devices, such as watches, fridges and washing machines, communicating with each other.

Diagram of a smartphone using Magnetic Secure Transmission (MST) to emit a signal that mimics a card's magnetic stripe at a POS terminal

Merchant & POS

What is MST (Magnetic Secure Transmission)?

Magnetic Secure Transmission (MST) is a mobile payment technology in which devices such as smartphones emit a signal that mimics the magnetic stripe on a traditional payment card, letting a physical card's POS use be imitated without upgrading terminal software or hardware.