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Merchant Support Center

The resources you need to run your business smartly and safely

Want to discover more about payment types and how you can reduce fraud losses? Wondering what the difference is between on-line and off-line debit? You can learn about these things - and a whole lot more - in our Merchant Account Support Center, a set of tips and links to information designed to help you work smarter and safer.

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If you would like to send feedback about the site, make a content suggestion to our webmaster, or if you have a specific question not addressed here, visit our Help Section. If you are a current merchant looking for customer service, Contact Us.

The Merchant Support Center is organized by topic, to make it easier for you to find what you are looking for. Simply click on the links below to visit the areas that interest you most.

Card Company Alerts
PDF File Visa Data Security Alert (Top 5 Data Security Vulnerabilities) - August 29, 2006
PDF File Visa Data Security Alert (Default Settings/Passwords) - July 31, 2006
PDF File Visa Data Security Alert (Improper POS System Installation) - June 27, 2006
PDF File Visa Data Security Alert (SQL Injection Attacks) - May 22, 2006
PDF File Visa CISP Wireless Security Update - March 9, 2006
PDF File Visa Data Security Alert (New Social Engineering Schemes Detected) - December 18, 2006
PDF File Visa Data Security Alert (Top 3 POS System Vulnerabilities) - November 21, 2006

Triple Data Encryption Standards
PDF File Merchant Bulletin
PDF File Frequently Asked Questions

Account Truncation
Arrow Graphic Account Number Truncation Rules
Arrow Graphic Frequently Asked Questions

Fraud
PDF File Critical Security Information Alert
Arrow Graphic Strategies for avoiding fraud in a point-of-sale environment
Arrow Graphic Card Brand Data Security
Arrow Graphic AVS Response Codes
Arrow Graphic Card Security Codes - CVV2, CVC2, CID
Arrow Graphic Terminal Fraud Protection

Chargebacks and Retrievals
Arrow Graphic The most common reasons retrievals and chargebacks happen
Arrow Graphic Tips for preventing chargebacks

Payment Processing
Arrow Graphic Managing the Costs of Payment Acceptance
Arrow Graphic What is interchange and how does it work?

Payment Methods
Arrow Graphic What are some payment methods available to my business?
Arrow Graphic What are stored value gift cards and why should I want them for my business?

Merchant Operating Guide
PDF File Merchant Operating Guide

Helpful Links
Arrow Graphic Links to Credit Card Companies
Arrow Graphic Payment Regulations and Resources
Free Risk Assessment
PDF File This document can be viewed electronically on most computers in a PDF format. The freely available Adobe Acrobat reader is required to view and print PDF files. Use of Adobe Acrobat Reader 7.0 is recommended.
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