Protect your customer's data for the long-term with the PCI Smart program’s tool. Once registered, you will be guided step-by-step through the PCI DSS certification process, which includes a Self-Assessment Questionnaire and, for some merchants, a “network vulnerability scan” to help protect your business from hackers. The questionnaire includes questions about your policies, procedures, administrative controls, access controls and physical security measures related to protecting cardholder data.