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A Guide to Practical PCI Compliance

With all the doom and gloom about how difficult and costly PCI is supposed to be, the reality is that PCI compliance is attainable and sustainable, if you follow these tips.

Organizational Maturity

One of the biggest mistakes organizations make is jumping into their PCI remediation effort without first understanding their company's gaps. It's crucial to realize that every organization has a different maturity level when it comes to technology and compliance. Without first knowing what level you are at, taking a "one size fits all" approach to fixing PCI will spell disaster.

A pre-compliance assessment is imperative and enables you to understand what your PCI compliance effort will entail. The output is a document identifying gaps between your current state and what the PCI DSS (Data Security Standard) requirements necessitate.

Some of the items covered in the pre-compliance assessment include:

Review of IT infrastructure; PCI-relevant application architecture, policies, procedures and processes; overall network design
Gap analysis
Network vulnerability scanning
Risk analysis
Mapping business flows to technology flows

Determine your current state by completing the PCI Self-Assessment Questionnaire (SAQ) from the PCI Security Standards Council. The SAQ is divided into six sections focusing on a specific area of security. After completing the SAQ, you will have a good idea of which controls and tools are in are in place.

Cross-Organizational Interaction

PCI requires the whole organization to play nicely together; too many organizations have different IT groups that have developed their own fiefdoms and act in semi-autonomous states. PCI doesn't support such an approach—it requires different groups to collaborate whether they like it or not.

Success with PCI is dependant on how the numerous groups work together and maintain reasonable expectations. How well this is executed has a direct impact on compliance. The best way to ensure understanding is to set effective ground rules at the beginning of the compliance effort.

Vendor Remediation Support

Your organization has older software and hardware that isn't PCI-compliant. Similar to preparing for Y2K, getting vendors to ensure their products comply with PCI can be a significant issue. How much of an issue depends on your importance to the vendor and the importance of PCI to the vendor.

If you find that your vendor is not PCI compliant and you need an alternative solution, the PCI Security Vendor Alliance (SVA) is a good resource to check. The SVA assists the payment card industry by providing products and services that enable organizations to achieve compliance with the PCI DSS.