关于制止捐赠欺诈的建议
我在一家非营利组织工作，并创建了在线捐赠页面。最近，此捐赠页面已被用于通过称为 Carding 的过程来验证被盗的信用卡详细信息。
它的运作方式是，一个偷懒者掌握了一大堆信用详细信息，但不知道哪些数字是好是坏。因此，他们进入捐款页面并尝试使用被盗的卡号进行小额捐款（5 美元或更少）。如果捐款成功，他们就可以用这笔钱购买更大的物品。
办理信用卡可能会花费非营利组织大量资金，因为大多数这些“捐赠”最终都会被撤销，并且在某些情况下银行会收取退款费用。
还有其他人有这方面的经验吗？另外，我可以通过哪些方法来阻止它？
I work for a non-profit organisation and have created and online donations page. Recently this donations page has been used to validate stolen credit card details via the process known as Carding.
The way it works is that a slacker get hold of a whole bunch of credit details but doesn't know which numbers are good or not. So they go to a donations page and attempt a small donation ($5 or less) with the stolen card number. If the donations goes through then they can use the number for bigger purchases.
Carding can cost a non-profit a lot of money as most these "donations" will end being reversed and in some cases a charge back fee will be charged by the bank.
Has anyone else had experience with this? Also, what are some ways that I could stop it?
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题外话，但我还是要说：
“小”、“多”和“短”的含义取决于您。
如果您还没有这样做，请考虑专门使用 PayPal 来接受信用卡。
来源
他们对欺诈保护的看法：
完整免责声明：我与 PayPal 或任何信用卡公司没有任何隶属关系。我没有运营电子商务网站、非营利网站或任何其他接受电子支付的网站，也没有任何第一手经验。我不是律师。我只是一名程序员。
Off-topic, but I'll bite:
What "small," "many," and "short" means is up to you.
If you're not doing this already, consider using PayPal exclusively for accepting credit cards.
Source
What they say about fraud protection:
Full disclaimer: I have no affiliation with PayPal or any credit card company. I do not run, or have any first-hand experience with, an e-commerce site, nonprofit site, or any other web site which accepts electronic payments. I am not a lawyer. I'm just a programmer.