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Hack Your Credit Card Company
From: Kristian Hermansen <khermansen () ht-technology com>
Date: Wed, 25 May 2005 15:46:02 -0400

I have recently discovered some pretty common ways to bypass/override
credit card company online payment systems.  Many of the hacks I have
played around could result in a massive loss of income for the
companies.  I have added a simple page detailing how I did one of these
attacks on my own company.  You guys might be interested to know that
almost every consumer online payment system I have run into has such
issues.  The link below will walk you through a very simple scenario I
have played out in real-life, on a live system:

http://www.kristianhermansen.com/cchack/hack_gm.html

Credits go out to Jon Hermansen for a few details which helped with
further exploitations.
-- 
Kristian Hermansen <khermansen () ht-technology com>

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