PCI Data Security Standard is the payment security requirement for e-commerce merchant and it was developed by PCI security standard council.

Security requirements are divided into many sections. These include building and maintaining a secure network, cardholder protection, maintaining a vulnerability management program, strong access control measures implementation, network monitoring and testing and information security policy maintenance.

E-commerce business must adhere to this security requirement to protect both customers and business information.

The core of the PCI DSS is a group of principles and accompanying requirements, around which the specific elements of the DSS are organized:

Build and Maintain a Secure Network

Requirement 1: Install and maintain a firewall configuration to protect cardholder data
Requirement 2: Do not use vendor-supplied defaults for system passwords and other security parameters


Protect Cardholder Data

Requirement 3: Protect stored cardholder data
Requirement 4: Encrypt transmission of cardholder data across open, public networks


Maintain a Vulnerability Management Program

Requirement 5: Use and regularly update anti-virus software
Requirement 6: Develop and maintain secure systems and applications


Implement Strong Access Control Measures

Requirement 7: Restrict access to cardholder data by business need-to-know
Requirement 8: Assign a unique ID to each person with computer access
Requirement 9: Restrict physical access to cardholder data


Regularly Monitor and Test Networks

Requirement 10: Track and monitor all access to network resources and cardholder data
Requirement 11: Regularly test security systems and processes


Maintain an Information Security Policy

Requirement 12: Maintain a policy that addresses information security

For more informaiton, please visit https://www.pcisecuritystandards.org/