Storing credit card data

Josh Mellicker josh at
Thu Dec 14 13:51:25 EST 2006

We opted to store customer credit card data in an encrypted text file  
on the users computer.

That way, a hacker would have to break into every user's computer  
independently to get the numbers :-)

On Dec 14, 2006, at 4:39 AM, Richard Miller wrote:

> Looking for suggestions on how to safely store credit card data. It  
> needs to be an automated process so that the card can be charged  
> monthly and it needs to happen from within Rev (i.e. can't use a  
> browser). Here's the scenario.
> 1. User enters their card number in our Rev app (from their home or  
> work computer)
> 2. For most of our services, we securely process their service  
> charge and immediately discard the card number.
> 3. We're now starting up an optional monthly service. We need to  
> take that card number, store it, then bill the user each month. It  
> should be a fully automated system, not requiring our staff to  
> enter a password or anything else for the periodic charges to be  
> billed.
> 4. We're using our own servers for data storage.
> Thanks.
> Richard Miller
> Imprinter Technologies
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