Fraud October 7, 2026
Visa VAMP Thresholds in 2026: What the 1.5 Percent Line Means for Your Business
The Visa VAMP threshold for US merchants fell to 1.5% on April 1, 2026. See how the ratio works, what counts, and how to stay well under the line.
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Fraud October 7, 2026
Card Testing: How to Spot an Attack in the First Hour and Stop It Before Your Processor Does
Learn how to spot a card testing attack in the first hour, what it costs under Visa VAMP rules, and the steps to stop it before your processor acts.
Fraud October 7, 2026
Rolling Reserves Explained: Why Your Processor Holds Your Money and How to Get It Back
A rolling reserve can hold 5 to 15 percent of your sales for months. Learn how reserves work, what triggers them, and how to get yours reduced or released.
Fraud October 7, 2026
Fraud Detection Metrics: Formulas and a Measurement Plan
Learn the six fraud detection metrics every online merchant should track, with correct formulas, an instrumentation checklist and weekly alert thresholds.
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