This standard entails the implementation and maintenance of an Information Security Management System to define, create and control those processes that aim to guarantee the objectives of confidentiality, integrity, availability and conformity of corporate information.
The PCI Security Standards Council will enhance the PCI DSS as needed to ensure that the standard includes any new or modified requirements necessary to mitigate emerging payment security risks, while continuing to foster wide-scale adoption.
Read all at: https://www.pcisecuritystandards.org/security_standards/pci_dss.shtml