What Does PCI Compliance Mean?
PCI compliance involves meeting standards related to the Payment Card Industry Data Security Standard (PCI DSS) put together by major credit card companies such as Visa, MasterCard, Discover and American Express. Any merchants handling cardholder information must maintain PCI compliance or be penalized by the companies responsible for creating the standard.
Techopedia Explains PCI Compliance
In general, PCI compliance involves creating a secure environment for cardholder information, including card numbers, expiration dates and security codes. PCI compliance comes in four levels, according to the volume of cardholder information handled by a particular merchant.