PCI is the Payment Card Industry.
PCI DSS is the Payment Card Industry Data Security Standard
The PCI DSS, a set of comprehensive requirements for enhancing payment account data security, was developed by the founding payment brands of the PCI Security Standards Council, including American Express, Discover Financial Services, JCB International, MasterCard Worldwide and Visa Inc. Inc. International, to help facilitate the broad adoption of consistent data security measures on a global basis.
Hamilton Mfg Corp. is included on the list of validated payment applications. This list is located at (https://www.pcisecuritystandards.org/security_standards/vpa/) and acknowledges those software vendors who have shown a commitment to security by meeting the PCI Payment Application Best Practices.
You can also find an answer to many of your specific questions in their FAQs. (PCI FAQs)
Answers provided by Hamilton Manufacturing Corporation
