DigitalXRAID PCI DSS Penetration Testing is a service that provides penetration testing specifically designed to meet PCI DSS v4.0 compliance requirements for organizations that store, process, or transmit payment card data. The service is delivered by CREST and CHECK accredited testers. The service includes both internal and external network penetration testing to satisfy PCI DSS requirements 11.4.2 and 11.4.3. Testing covers the cardholder data environment (CDE) and validates network segmentation controls to prove effective isolation between in-scope and out-of-scope systems. The testing methodology combines automated vulnerability scanning with manual exploitation techniques to identify security weaknesses in firewalls, segmentation controls, remote access points, and other payment infrastructure components. Testing simulates real-world attack scenarios to validate actual risk levels. Deliverables include detailed reports formatted for both technical teams and QSA auditors, with vulnerability findings categorized by risk level and accompanied by remediation recommendations. The service includes retesting after remediation to validate fixes and provide final compliance evidence. The testing process follows a structured approach: scoping and planning to identify in-scope assets, reconnaissance and intelligence gathering, vulnerability analysis and controlled exploitation, segmentation validation testing, reporting with remediation guidance, and retesting for validation. Testing is required annually under PCI DSS and after significant infrastructure changes.