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Security
Payment security is very important in payment systems. To increase security, transactions require additional information such as PINs and passwords. Remembering which information to use, and keeping it in mind without forgetting…
HSM & Security
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…
Security
SCRW (Smart Card Reader Writer) can be translated as Smart Card Reader/Writer. Smart chip card readers are sophisticated devices with built-in intelligence, usable in PCs, laptops, servers, smartphones, and set-top boxes.
Security
Before 3D Secure 2.0, let's explain what 3D Secure is. 3D Secure is a two-layer payment authentication system that protects both the cardholder and the merchant in online payments. First released by Visa in 1999, it was later adopted by other card schemes…
HCE
The HCE cloud-based security infrastructure consists of four main pillars: Tokenization, Risk Management, Session Keys, and User/Device Authentication. Tokenization indicates the type of token generation, and there are three different tokenization methods.
EMV
The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.
Payment Systems
Strong Customer Authentication (SCA) is a security requirement introduced under the EU's Payment Services Directive 2 (PSD2) to increase security and reduce fraud in online payment transactions. SCA requires two of three independent authentication factors.