eCommerce Fraud Knowledge Guide

Transaction Laundering

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Transaction Laundering

Knowledge Guide Chapters

  1. What is Transaction Laundering?
  2. Common Transaction Laundering Tactics
  3. Transaction Laundering Statistics & Financial Impact
  4. Transaction Laundering Examples
  5. How to Prevent Transaction Laundering
  6. How to Identify Transaction Laundering

How to Prevent Transaction LaunderingMy Top 15 Tips for 2026

Ben Scrancher | December 9, 2025 | 2 min read
How to Prevent Transaction Laundering

15 Best Practices to Prevent Transaction Laundering

eCommerce merchants play a pivotal role in preventing transaction laundering. As the primary gatekeepers of online transactions, they are at the frontline of this challenge. Their position allows them to monitor, assess, and intervene in potentially suspicious activities, making them essential players in the broader effort to combat online financial crimes.

To that end, here are 15 anti-money laundering (AML) best practices that can help protect your business from criminals.

Transaction Laundering

Transaction laundering is a serious matter for eCommerce. With the right strategies in place, though, merchants can protect their businesses, prevent loss, and preserve their relationships with financial institutions. But what do you need to know to protect your business?

#1 Advanced Detection Systems

Invest in advanced fraud detection systems that use machine learning and AI. These can analyze large datasets in real-time and can be more effective in pinpointing suspicious activities.

#2 Clear Terms of Service

Set clear terms of service and enforce them. Make sure that there are strict repercussions for any violations, such as suspensions or bans.

#3 Collaboration

Collaborate with other eCommerce platforms and industry groups. Sharing knowledge about potential threats can be beneficial for all parties involved.

#4 Customer Behavior Analysis

Analyze customer behavior on the site. Abnormal behaviors, like rapid, repeated transactions from the same IP address, can be red flags.

#5 Data Encryption

Ensure that all transaction data, both in transit and at rest, is encrypted. This makes it harder for unauthorized parties to gain access to sensitive information.

#6 Feedback Systems

Implement a system through which customers can report suspicious activities. Sometimes, end-users can spot inconsistencies that might go unnoticed by the system.

#7 Geographic Restrictions

If certain regions are identified as being at high risk, consider implementing geographic restrictions or additional checks for transactions originating from those areas.

#8 Know Your Customer (KYC)

Adopt a robust KYC process. Ensure that you have adequate information about your customers and update this data periodically.

#9 Maintain Transparency

Keep transparent transaction records and establish open communication lines with banks and payment processors. Regular audits and reviews can help spot any discrepancies.

#10 Multi-Factor Authentication

Require multi-factor authentication for merchant accounts. This adds an additional layer of security, making it harder for fraudsters to gain unauthorized access.

#11 Periodic Review of Merchants

FIs should periodically review even the most established merchants. Continuous checks can help in identifying any merchant whose business model has shifted towards suspicious activities.

#12 Regular Monitoring

Consistently monitor transaction activities to detect unusual patterns. This can include unexpected spikes in sales, many high-value transactions in a short period, or odd shipping patterns.

#13 Regular System Updates

Keep all systems, especially payment gateways, regularly updated. This helps in patching any vulnerabilities that could be exploited.

#14 Staff Training

Regularly train staff on the latest techniques used by launderers. Keeping the team updated helps in early detection and prevention.

#15 Vigorous Merchant Vetting

Before onboarding, comprehensively vet all new merchants or sellers. This includes verifying their identity, background, and the nature of their business.

Remember: the power of technology plays a pivotal role in thwarting transaction laundering.

Many financial institutions and related entities are turning to cutting-edge solutions, like machine learning and blockchain, to pinpoint and curb dubious transactions. Such interventions have become crucial on digital platforms where transactions can transpire swiftly and without clear attribution.

Is your business up-to-date with the latest AML software? Click below to talk to one of our in-house fraud experts today.

Next Chapter

How to Identify Transaction Laundering

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