Which of the following is a common security measure for Verifone transactions?

Employing data encryption methods is a fundamental security measure for Verifone transactions. Encryption transforms sensitive transaction data, such as credit card information and personal identification details, into a coded format that is unreadable without the appropriate decryption key. This protects the data from being intercepted during transmission, ensuring that even if the data is compromised, it cannot be readily accessed or used by unauthorized individuals.

Data encryption is not only a standard practice in the payment processing industry to safeguard information, but it is also a requirement for compliance with industry standards like PCI DSS (Payment Card Industry Data Security Standard). By securing the data in transit and at rest, encryption plays a critical role in maintaining customer trust and protecting against fraud.

In contrast, options like shared access codes, real-time account verification, and biometric security may contribute to security but are not as universally implemented as data encryption in the context of Verifone transactions. Encryption provides a robust line of defense against various threats in the electronic payment landscape.