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#fraud-prevention

Предотвратяване на измами

Проактивни стратегии и контроли за предотвратяване на финансова измама в бизнеса

Visa and Mastercard Just Tightened Chargeback Monitoring Again: What the 2026 VAMP Threshold Cut Means for Merchants

Visa lowered its VAMP excessive-merchant threshold from 2.2% to 1.5% on April 1, 2026, with fines of $8 per flagged transaction, and Mastercard's Excessive Chargeback Program still triggers at 100+ monthly chargebacks — here's how the ratio math catches small merchants off guard and how to bring it back under the line.

PCI DSS 4.0 Compliance Guide for Small Merchants in 2026

PCI DSS 4.0's transition period ended March 31, 2025, so every merchant assessment from 2026 onward now enforces mandatory payment-page script monitoring, MFA for all cardholder-data access, and authenticated internal vulnerability scans — noncompliance risks $5,000-$100,000 monthly fines from acquiring banks plus an average $173,692 added breach cost per IBM's research.