CategoryFraud

Preventing online credit card fraud

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In this post, I’ll go into detail on how to prevent online transaction card fraud by building a fingerprint of a user and doing some research (which any programmer can automate.) Some of these tips will be incredibly obvious, some of them won’t be so obvious. It’s a rather exhaustive and extensive process that can only be done manually if your transaction volume is low, but...

How to not deal with donation fraud

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Watsi.org — a great company — recently published a blog post titled Stopping Sharon. It describes how they deal with and attempt to prevent “online donation fraud.” Quotes because “online donation fraud” makes it seem worse than it is: fraudulent transactions, most of the time from someone with a stolen credit card, are made to check the validity of a credit card. Preface:...