Dana Whitfield
Senior Chargeback Risk AnalystDana Whitfield spent eleven years in dispute operations at a mid-size US acquirer, handling Visa and Mastercard chargeback representment for merchants doing $5M to $80M in annual card volume. She now writes about reason-code triage, evidence packages, and the thresholds where fraud tooling costs more than the losses it prevents.
2 Posts
Authored Articles
# 10/29/2026 # 10/29/2026
Payment Fraud: Types, Costs and How Merchants Fight Back
Payment fraud costs more than the stolen order. Compare fraud types, true chargeback costs and the checks merchants use to limit losses at checkout.
Chargeback Prevention and Dispute Management for Online Merchants
A chargeback begins life as one small line item. It ends as a bill. The sale reverses, the fee lands, and if enough of them pile up your merchant account...