Tag Managers Without Tears: Fast Marketing Meets PCI 6.4.3 & 11.6.1 Compliance
How to maintain digital agility without losing control of third-party scripts or failing your next audit.
Security and compliance leaders are under pressure to support fast-moving marketing teams—without opening the door to eSkimming, formjacking, or PCI violations. This guide shows you how.
✅ Understand the real risk of tag managers
Learn how GTM, Tealium, and others function as code deployment platforms—giving unchecked JavaScript runtime access to your most sensitive pages.
✅ Translate PCI DSS 6.4.3 and 11.6.1 into action
Break down the new compliance mandates and what they actually require from your teams—script control, change detection, and audit evidence.
✅ See why CSP and SRI aren’t enough
Understand the technical and operational reasons traditional controls fall short in dynamic, tag-driven environments.
✅ Get a clear path to compliance without slowing down
Discover how behavioral controls, real-time monitoring, and policy enforcement can make your tag manager safe—without adding friction for marketing
What You Will Learn
- Why tag managers like GTM are actually code deployment systems—and how that impacts your PCI scope and risk surface.
- What PCI DSS 6.4.3 and 11.6.1 really require—including script authorization, integrity checks, and change detection at the browser level.
- How attackers exploit third-party scripts through silent skimming, fake forms, and legitimate-looking code injections that bypass CSP.
- Why traditional defenses like CSP and SRI fail in dynamic environments—and what a practical, scalable alternative looks like.
How to protect payment pages without slowing down marketing—using behavioral controls that secure scripts without blocking campaigns.
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About Source Defense
As a PCI Participating Organization and the pioneer in eSkimming security, Source Defense played a role in the development of new requirements for web security found in PCI DSS 4.0.
We’ve helped thousands of the world’s leading brands address these issues. We’ve also been educating merchants, QSAs, PSPs, eCommerce Platform providers and virtually every stakeholder in PCI compliance on the vulnerabilities in modern website design that make eSkimming attacks possible. We’ve made it our misison to provide guidance around ambiguity in the standard; advise on the pros and cons of approaches provided by the council and we recently launched a free assessment, monitoring and management solution for both merchants and their QSAs.
