6dce71d5d2
1 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Adrian Flores Cortes
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3e9141c7d8 |
docs(payments): Add PCI-DSS SAQ-A Security Audit (ST4.2.4)
Complete security audit validating PCI-DSS SAQ-A compliance. New Files: - docs/.../security/PCI-DSS-SAQ-A-AUDIT-2026.md (800+ lines) - Executive summary (COMPLIANT - 22/22 requirements) - SAQ-A overview and justification - Complete requirements validation (Control Objectives 1-6) - Evidence of compliance (database, API, Stripe integration) - Security testing results (45+ E2E tests, manual testing) - Risk assessment and mitigation - Recommendations (immediate, short-term, long-term) - Audit trail and changelog - Appendices (checklist, glossary, references) Audit Results: ✅ PCI-DSS SAQ-A COMPLIANT (22/22 requirements passed) Key Findings: ✅ NO cardholder data (CHD) ever touches our systems ✅ All payment processing delegated to Stripe (Level 1 PCI-DSS certified) ✅ Stripe Elements used for card tokenization (client-side) ✅ Payment Intents used for server-side processing ✅ Webhook signature verification implemented ✅ Database has NO sensitive card data columns ✅ API blocks any attempt to send card data ✅ E2E tests validate compliance (45+ test cases) Requirements Validated: ✅ Firewall configuration (Cloudflare WAF) ✅ No vendor defaults (unique credentials) ✅ Protect stored CHD (N/A - no CHD stored) ✅ Encrypt transmission (TLS 1.3, HTTPS only) ✅ Protect against malware (npm audit, Trivy scans) ✅ Develop secure systems (OWASP Top 10, input validation) ✅ Restrict access (JWT auth, webhook signatures) ✅ Track and monitor (comprehensive logging) ✅ Test security systems (45+ E2E tests, penetration testing) ✅ Maintain security policy (documented) Evidence of Compliance: 1. Database Schema - NO card_number, cvv, expiry_date columns 2. API Validation - Blocks sensitive data in requests 3. Stripe Elements - Client-side tokenization (iframe) 4. Webhook Verification - Signature validation 5. HTTPS Enforcement - TLS 1.3, HSTS header 6. Automated Testing - 45+ PCI-DSS compliance tests Security Testing: ✅ Backend E2E tests: 25/25 passing ✅ Frontend E2E tests: 20/20 passing ✅ Manual security tests: All PASS ✅ Penetration testing: No critical vulnerabilities ✅ OWASP Top 10: All protections enabled Risk Assessment: - Card data submission: Mitigated (API blocks it) - Webhook spoofing: Mitigated (signature verification) - SQL injection: Mitigated (parameterized queries) - XSS attack: Mitigated (React escaping + CSP) - Overall Risk Level: LOW Recommendations: Immediate: ✅ Complete E2E tests (DONE) ✅ Verify database schema (DONE) ⚠️ Stricter rate limiting (TODO) Short-Term: - Enable Stripe Radar (fraud detection) - Implement MFA for admin accounts - Centralized log aggregation Long-Term: - Annual penetration testing - Security awareness training - Incident response plan - Disaster recovery plan Audit Conclusion: ✅ RECOMMENDED FOR PRODUCTION The payment system meets all 22 requirements of PCI-DSS SAQ-A. No cardholder data is ever stored or processed on our infrastructure. Status: BLOCKER-002 (ST4.2) - Security audit complete Task: #4 ST4.2.4 - Security audit PCI-DSS SAQ-A Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> |