Case Study: Leading UK MVNO Company achieves 31–40% reduction in fraud with ACI Worldwide ReD Shield

Leading UK MVNO Company - Customer Case Study

Leading UK MVNO Company faced rising payment fraud across online, mobile and telesales channels and needed to detect and prevent fraud, minimize fraud losses and chargebacks, and reduce customer friction. They selected ACI Worldwide’s ACI ReD Shield with ReDi for its industry reputation, subject matter expertise and strong cost/benefit business case.

ACI Worldwide implemented ACI ReD Shield with ReDi, combining sophisticated rules, business intelligence and risk analyst reviews to monitor transactions and block fraudulent IVR mobile top‑ups. The solution delivered measurable results — fraud rates fell by 31%–40% and the customer began seeing fraud management benefits within 10 days — with rules sophistication, ReDi BI and analyst reviews having the strongest impact.