Upholding the Highest Cardholder Data Security Standards for Visa Stakeholders
Visa aims to secure Visa cardholder data wherever it resides, requiring that members, merchants, and service providers maintain the highest information security standards.
Cardholder Data Security Basics 
Enforcing compliance with the PCI DSS to secure Visa cardholder data.
If Compromised
Take immediate action to help prevent additional damage and adhere to the PCI DSS requirements.
For Merchants
Merchants who store, process, or transmit Visa cardholder data.
For Service Providers
Merchants and members must use PCI DSS-compliant service providers.
Payment Applications
Merchants and their agents must use PA-DSS compliant payment applications.
PIN Security and Key Management Program
PIN accepting entities must comply with the PCI PIN Security Requirements.
- Update to PIN Security and Key Management Compliance Validation Program PDF | 162k
- Visa US TDES FAQs PDF | 36k
- Tools and Best Practices for Merchants PDF | 248k
For non-U.S.-based entities, please visit Visa International Account Information Security (AIS) for validating compliance with the PCI DSS.