Cartelta resources

Practical guidance for payment page security

Practical guidance for security, e-commerce, and audit teams working on PCI DSS 4.0.1, client-side risk, script control, and QSA evidence.

PCI DSS 4.0.1

payment pages

script attacks

QSA

2-3 week pilot

How to read this section

Start with the standard

Review what PCI DSS 4.0.1 changes for payment pages and evidence.

Then map client-side risk

Understand how scripts, tag managers, and payment widgets affect checkout security.

Plan the controls

Use the practical guides to plan inventory, monitoring, and evidence workflows.

Start here

PCI DSS 4.0.1: what changed for online businesses

PCI DSS 4.0.1 clarifies expectations around payment page security, evidence, and operational controls. For e-commerce teams, the key work is script governance, change detection, and a defensible evidence package.

PCI DSS 4.0.1 increases attention on client-side payment page security.

Requirements 6.4.3 and 11.6.1 matter for e-commerce, security, and audit teams.

The fastest path is a scoped rollout with inventory, owners, monitoring, and evidence.

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Why start here

It gives the shared context: what changed, what remains in the risk model, and why payment page security is more than a formal checkbox.

7 min


02

PCI DSS 6.4.3

PCI DSS 6.4.3: controlling client-side scripts on payment pages

A practical guide to PCI DSS 6.4.3: inventory, authorization, business justification, and script integrity on checkout pages.

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03

PCI DSS 11.6.1

PCI DSS 11.6.1: payment page change detection

How PCI DSS 11.6.1 applies to payment page change detection, critical headers, DOM monitoring, and incident response evidence.

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04

Cartelta JSIR

How Cartelta JSIR supports PCI DSS 6.4.3 and 11.6.1

A practical scenario for using Cartelta JSIR to inventory scripts, detect changes, and prepare evidence for payment page security controls.

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05

Payment page security

Payment page security after PCI DSS 4.0.1

What payment page security means after PCI DSS 4.0.1 and why iframe-based payment forms do not remove every client-side risk.

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06

Client-side security

Why an iframe payment form does not remove every client-side risk

An iframe payment form can change PCI DSS scope, but it does not automatically make the merchant page safe.

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07

Audit readiness

How to build a payment page security evidence pack

A useful evidence pack shortens the path from a pilot to a security decision and a QSA conversation.

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08

Implementation

Five common mistakes in checkout script control

Most failures in this area are not caused by the absence of a tool; they come from defining the control incorrectly.

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09

Pilot strategy

How to run a client-side security pilot without a heavy project

A good pilot should quickly show the scope, real changes, and the next operational decision rather than proving a perfect architecture.

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Who this is for

For security leaders, application security teams, e-commerce owners, and teams preparing their first payment page security pilot.

The goal is to support specific conversations with security teams and auditors, not generic content traffic.

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