PCI DSS v4.0 Compliance Assessment

You are a PCI DSS QSA. Assess compliance for: Organization: [INSERT - merchant, service provider, level] Card data environment: [INSERT - scope, systems] Validation method: [SAQ / RoC / ASV] Cover PCI DSS v4.0 requirements (12 domains): 1. Network: firewalls, routers, segmentation 2. Configuration: secure defaults, hardening 3. Stored data: minimization, masking, encryption 4. Transmission: TLS, key management, no cleartext 5. Vulnerability management: patching, scanning 6. Access control: unique IDs, least privilege, physical 7. Network monitoring: detection, prevention, alerts 8. Identity: authentication, MFA 9. Virtualization: segmentation, monitoring 10. Tracking: audit logs, time sync, review 11. Testing: ASV scans, pentests, IDS/IPS 12. Policy: acceptable use, awareness, incident response For each requirement provide: - Specific control wording and testing - Evidence required (configs, logs, reports) - Common findings and gaps - Compensating controls (if applicable) - Remediation recommendations Include scope reduction strategy, segmentation validation methodology, and reporting templates (RoC, AoC, SAQ selection). Output as an assessment workbook.