Field notes · Checkout abuse

Checkout security analysis without magic-bullet claims.

Technical analysis of card-testing defenses, their failure modes, and why resilient checkout protection needs more than one signal.

Published field notes

Layered defenseUpdated July 2026

Why blocking checkout bots is not enough to stop modern card testing

Checkout tokens stop basic direct scripts, but token-aware and full-browser automation require velocity, challenge, payment-feedback, and recovery layers.

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Version 1.0 · Preparing for submission

Put a control between checkout abuse and your payment gateway.

The qualified 1.0.0 candidate is being prepared for WordPress.org. No public download or paid checkout is live yet.

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