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References

  • PCI DSS v4.0 Standard — Full standard document library
  • Requirement 6.4.3 — Manage all payment page scripts: maintain inventory, provide written authorization and justification, verify integrity
  • Requirement 11.6.1 — Deploy tamper-detection mechanisms on payment pages to alert on unauthorized modifications to HTTP headers and page content
  • OWASP Client-Side Security Risks — OWASP web application security testing guide
  • Magecart Threat Research — Overview of Magecart groups and digital skimming campaigns
  • British Airways breach (2018) — Magecart Group 6 injected a skimmer into the BA payment page, compromising 380,000 transactions
  • Ticketmaster breach (2018) — Supply chain attack via compromised Inbenta chatbot script that skimmed payment card data