The current version of the standard is version 3.0, released on 7 November 2013.

Computer Security PCI DSS version 2.0 must be adopted by all organizations with payment card data by 1 January 2011, and from 1 January 2012 all assessments must be against version 2.0 of the standard.

PCI DSS version 2.0 has two new or evolving requirements out of 132 changes. The remaining changes and enhancements fall under the categories of clarification or additional guidance.

The table below summarizes the differing points from version 1.2 of 1 October 2008[6] and specifies the 12 requirements for compliance, organized into six logically related groups, which are called “control objectives”.
Control Objectives    PCI DSS Requirements
Build and Maintain a Secure Network    

1. Install and maintain a firewall configuration to protect cardholder data

2. Do not use vendor-supplied defaults for system passwords and other security parameters
Protect Cardholder Data    

3. Protect stored cardholder data

4. Encrypt transmission of cardholder data across open, public networks
Maintain a Vulnerability Management Program  

5. Use and regularly update anti-virus software on all systems commonly affected by malware

6. Develop and maintain secure systems and applications
Implement Strong Access Control Measures    

7. Restrict access to cardholder data by business need-to-know

8. Assign a unique ID to each person with computer access

9. Restrict physical access to cardholder data

Regularly Monitor and Test Networks    

10. Track and monitor all access to network resources and cardholder data

11. Regularly test security systems and processes
Maintain an Information Security Policy    

12. Maintain a policy that addresses information security