The PCI DSS is a set of comprehensive requirements for enhancing payment account data security. It was developed by the founding payment brands of the PCI Security Standards Council, including American Express, Discover Financial Services, JCB, MasterCard Worldwide and Visa International, to help facilitate the broad adoption of consistent data security measures on a global basis.
Any merchant, acquirer and issuer bank, and service provider that processes, stores or transmits credit or debit card data, and any connected party to them.
If you answered yes to any of the above questions PCI DSS applies to you.