Mastercard Start Path Selects Source Defense to Combat eSkimming Globally

eSkimming in 2025 Got Harder to Spot, Easier to Scale.

A year of Source Defense Research on how eSkimming evolved in 2025, and what security teams should do next.

Still Not Compliant with PCI 6.4.3 and 11.6.1?

Engage with Source Defense today and get compliant in 30 days or less!

The eSkimming Compliance Guide for PSPs and eCommerce Platforms

Everything you need to know about PCI DSS 4.0.1 requirements 6.4.3 and 11.6.1, plus how to turn compliance into a business win.

The Rise and Risk of Third-Party Scripts in Modern Website

First of its kind research from the 2024 Verizon Payment Security Report

CoalFire Provides Guidance on PCI DSS 6.4.3 and 11.6.1

A Holistic Approach to Protecting Credit Card Payment Flows

VikingCloud Technical Review of Source Defense Protect

A solution for PCI DSS 4.0 requirements 6.4.3 and 11.6.1

Protect Sensitive Patient Information from Data Leakage and Theft

Manage and Secure Your Healthcare Website's Digital Supply Chain

Free Tool to Get Started with PCI Compliance

Assess, Manage and Monitor new Web Security requirements in PCI DSS 4.0

CSP and SRI Fall Short. Discover What Actually Works.

Explore why traditional defenses can’t stop modern eSkimming attacks, and how behavior-based security delivers real-time protection and PCI DSS 4.0 compliance.

Source Defense Elected to PCI SSC Board of Advisors for 2025 - 2027 Term

The Rise of Headless Commerce

Headless commerce is rapidly becoming the default architecture for modern digital businesses. By decoupling the frontend experience from backend commerce platforms, organizations gain flexibility, performance, and the ability to deliver consistent experiences across web, mobile, and emerging channels.
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eBook: Tag Managers Without Tears

Tag managers have become a hidden compliance risk, injecting third-party scripts directly into sensitive pages like checkout. This free ebook explains how PCI DSS 6.4.3 and 11.6.1 change the rules, and what you can do to stay fast, secure, and audit-ready.
Get the eBook

Visit Our PCI DSS Resource Center

Learn more about updated PCI guidance. Join our interactive session about the implications of the new PCI requirements around client-side security.
Learn more

Why Source Defense?

Client-side Security Experts

Authoritative source on Digital Skimming, Magecart, Formjacking, Javascript libraries and open-source risks

Best in Breed Technology

The only purpose-built, patented technology for real-time detection & protection

Data Privacy Compliance

Preserve the end-user experience, eliminate data leakage and protect the customer journey

Partners

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Join our Team

We are always looking for talented people who want to be part of something fantastic and innovative

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