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Fraud Prevention For Merchants - Secure Anytime, Anywhere Payments

A single fraud incident can cost you countless customers, the money spent acquiring them and the ongoing revenue they would provide.

With ACI, you are protected against all types of fraud, account takeover and identity theft. You improve your customer’s satisfaction and protect your brand reputation. ACI fraud prevention solutions serve retail, travel, hospitality, telecommunications, gaming and more.

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Fraud Prevention for Merchants
Merchants - Protect your customers. And your reputation.

The explosion in eCommerce transactions and the resulting rise in online fraud have made securing payments to protect your customers and your brand reputation a daunting task. Don’t let the fraudsters win. As part of ACI’s Fraud Management solution, ACI ReD Shield offers a sophisticated, real-time approach to online fraud prevention and detection, tailored to the requirements of eCommerce merchants.

Constantly evolving security, bolstered by global intelligence. All just a click away.

As a managed service, ReD Shield gives you access to the latest fraud prevention tools and techniques without the need to invest in technologies and resources. It’s multi-tiered and industrial strength, combining unlimited rules with other data attributes enhanced through the use of neural models to holistically reduce fraud and chargebacks.

ReD Shield gives you access to unrivaled global fraud intelligence. Our expert risk analysts work with you to define and optimize fraud strategies, test and introduce new fraud rules, and detect and track new and emerging patterns of payments fraud. And we’ll tailor it for any merchant sector, including retail, telco, travel and gaming.

The ACI ReDi self-service business intelligence portal puts monitoring at your fingertips. You’ll see the impact of your fraud strategies and rules in near-real time, gaining fast and easy access to the information you need to manage, evaluate and report on performance.

A strong defense is the best offense

ReD Shield is built to be the backbone of your business success — to protect revenues, promote growth and enhance your customers’ experiences. Download our fraud insights and case studies to see examples of our fast implementation process and the results we’ve delivered for more than 200 leading merchants, retailers and travel companies.

Related:       ReD Shield Fraud Management     |     Fraud Prevention and Security Capabilities

Universal payments risk management

Global Fraud Survey

Learn the full impact of fraud—on not only consumers, but also financial institutions and retailers—especially when it comes to customer loyalty and fraud management.

Download the Report

Merchant Solutions

  1. ACI Secure eCommerce – a secure, global solution allows merchants to quickly and easily integrate payments into any application or site.
  2. ACI PAY.ON Payments Gateway – Our open payment technology powers omni-channel commerce in national and international markets.
  3. ACI ReD Shield fraud management - delivers real-time, multi-tiered protection that's tailored to the needs of eCommerce merchants
  4. eSocket.POS: An in-store solution that manages the interaction with payment devices at the check-out.  
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  • PayU Small logo
  • Retailer Success

Flying Ahead of Online Fraud with ReD Shield

Aegean Airlines, the largest carrier in Greece and a Star Alliance member, connects Greece with 87 international destinations in 32 countries, as well as flying to 33 domestic airports.

Read the full Case Study View all case studies


PayU is a leading financial services provider in global growth markets. With ReD Shield, PayU was able to “to successfully combat fraud and bring down fraud rates in two of our airline customers."

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Streetwear Retailer Combats Excessive Chargebacks to Deliver Double-Digit Revenue Growth

A fast growing streetwear retailer was faced with up to 3% chargebacks on fraudulent or potentially fraudulent card payments, which could significantly harm their reputation with loyal and trendsetting customers.

Read the full case study View all case studies