Final answer:
PCI DSS (Payment Card Industry Data Security Standard) is a standard that spells out measures and security procedures to safeguard card issuers, cardholders, and merchants. Option a.
Step-by-step explanation:
PCI DSS (Payment Card Industry Data Security Standard) is a standard that spells out measures and security procedures to safeguard a card issuer, a cardholder, and a merchant. It is designed to protect cardholder data and ensure secure transactions.
The PCI Security Standards Council is responsible for maintaining and updating the PCI DSS. Compliance with PCI DSS is mandatory for all organizations that handle payment card information.
Examples of PCI DSS security measures include encryption of cardholder data, regular system vulnerability scans, and implementing strong access controls.
So Option a,