PCI-DSS Compliance and Merchant Responsibilities

The Payment Card Industry Data Security Standard (PCI-DSS) is a set of security requirements designed to protect cardholder data and reduce payment fraud. This article outlines what PCI-DSS means for your business and your responsibilities as a merchant.

What is PCI-DSS?

• A global security standard established by major credit card brands.
• Applies to all businesses that store, process, or transmit credit card information.
• Ensures the protection of cardholder data through specific technical and operational requirements.

Merchant Responsibilities

1. Secure Cardholder Data
   • Encrypt sensitive data during transmission and storage.
   • Use secure networks and firewalls.
2. Maintain a Secure Environment
   • Regularly update software and systems.
   • Use antivirus and malware protection.
3. Access Control
   • Limit access to cardholder data to authorized personnel only.
   • Implement strong password policies and two-factor authentication.
4. Monitor and Test Networks
   • Track and monitor access to network resources and cardholder data.
   • Conduct regular vulnerability scans and penetration tests.
5. Maintain an Information Security Policy
   • Develop and maintain policies that address information security for employees and contractors.

Compliance Validation

• Depending on your transaction volume, you may need to complete:
  • Self-Assessment Questionnaires (SAQ)
  • Quarterly network scans by an Approved Scanning Vendor (ASV)
  • On-site audits for large merchants
• Lock Trust provides tools and resources to help you meet PCI-DSS requirements.

Consequences of Non-Compliance

• Fines from payment processors or card brands
• Increased risk of data breaches and fraud
• Possible suspension of payment processing services