Merchant using PA-DSS validated payment applications are automatically PCI DSS compliant.

The statement that merchants using PA-DSS validated payment applications are automatically PCI DSS compliant is false. While using PA-DSS (Payment Application Data Security Standard) validated applications helps ensure that the software used to process payment card transactions is secure and meets certain security requirements, it does not guarantee that the entire merchant operation is compliant with PCI DSS (Payment Card Industry Data Security Standard).

PCI DSS encompasses a broader range of security controls and requirements that apply to all aspects of handling cardholder data, including network security, access control, monitoring and testing networks, and maintaining an information security policy. Therefore, even if a merchant is using a PA-DSS validated application, they still must conduct their own compliance assessment and implement a comprehensive security program that adheres to the full requirements outlined in the PCI DSS.

This distinction is crucial, as compliance is a comprehensive ongoing process rather than a single component. Merchants need to be vigilant in maintaining compliance through regular assessments and updates to their security measures, beyond just utilizing validated applications.