This is a good guide from Microsoft about PCI Compliance and is surely a must read for people who want to know more about PCI or implement PCI Compliance at any level, which is a pushing factor for all the companies who manage their customers credit card data and do financial transactions.Being compliant to a standard like PCI does not mean you are Secure!"The Payment Card Industry Data Security Standard Compliance Planning Guide is designed to help organizations meet Payment Card Industry Data Security Standard (PCI DSS) requirements. Specifically, this guide is targeted to merchants that accept payment cards, financial institutions that process payment card transactions, and service providers—third-party companies that provide payment card processing or data storage services. IT solutions for each of these groups must meet all PCI DSS requirements. The guide is intended to augment The Regulatory Compliance Planning Guide, which introduces a framework-based approach to creating IT controls as part of your efforts to comply with multiple regulations and standards. This guide also describes Microsoft products and technology solutions that you can use to implement a series of IT controls to help meet the PCI DSS requirements, as well as any other regulatory obligations your organization may have." Download the PCI Compliance guide.