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Tom Mahoney

Merchant911, LLC
Strategic Consulting

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Years in Business:



Clients I'm Seeking:


Groups and organizations of retailers looking to prevent credit card fraud in their business.

About My Business:


Merchant 911 went on line in January of 2001 and has helped over 5000 members. Mahoney volunteers his time and expertise to the group, as do other active members. Membership is restricted to on-line merchants and there is no charge to become a member. Members have access to searchable databases containing over 1/4 million fraud fighting records, two mailing lists for fraud alerts and fraud related discussions, and a forum for the discussion of any matters concerning on-line merchants. For further information, go to Mahoney has had numerous articles published by Search Hound, Merchant Fraud Squad, Cyber Crime Fighter Newsletter, and numerous trade e-zines. Merchant 911 has been written up in the Wall Street Journal, the International Council of Shopping Centers, and a NetworkWorld article on fraud. Merchant 911 is considered to be one of the top sites of it's kind on the Internet and is the largest of the free sites. After the 2005 breach of over 40 million credit card accounts from Card Systems Solutions, Merchant 911 was featured on the CBS Evening News, National Public Radio and on Japanese network television. In 2005, Mahoney developed the content for "Preventing E-Commerce Chargebacks," the premier fraud prevention course for on-line merchants. In addition to E-Commerce Merchants, Merchant 911's members include fraud prevention executives from Visa, Apple Computer, ChaseBank, BankCard USA, PayPal and dozens of other transaction processors, acquirers, and issuers who all pool information geared to fraud prevention.

Years in business:
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