Your Guide to PCI DSS 4.0.1 Web Application and API Controls with a Simplified Path to Compliance

This report outlines key PCI DSS 4.0.1 application-layer requirements—such as maintaining inventories of bespoke software (6.3.2), managing payment page scripts (6.4.3), risk-based vulnerability treatment (11.3.1.1), authenticated internal scans (11.3.1.2), and tamper detection for payment pages (11.6.1)—and explains how Qualys TotalAppSec supports them through automated discovery, authenticated web and API scanning, contextual risk prioritization, and monitoring, with options to submit scan results for PCI attestation.