Securing Payment Pages: A Complete Guide to PCI DSS 4.0.1 Compliance for SAQ A-EP Merchants
PCI DSS for e-commerce is essential for SAQ A-EP merchants who manage complex payment environments, including custom payment pages, interactive checkout flows, and third-party payment integrations. These merchants—such as SaaS platforms, online retailers, travel booking sites, and digital service providers—must comply with stringent security requirements to protect sensitive payment data.