From: Keith Pachulski (keithp@corp.ptd.net)
Date: Mon Mar 22 2004 - 07:34:46 EST
Hey Dante
I have run into this on numerous occasions while doing some consulting and have always with 100% failure caused them to realize the potential threat of this design. In their eyes this is critical to their operations and any flaws in the communications between the bank and this transaction processor would severly impact their operations or cause their operation to cease. Even so, while I fail with this I still continue to preach this to those same customers as well as new financial customers I take on. This is going to fall into that bag of they won`t realize the impact until something occurs sourcing from the trasaction processor causing their operations harm that something will be done.
Good Luck..
-----Original Message-----
From: Dante Mercurio [mailto:Dante@webcti.com]
Sent: Wednesday, March 17, 2004 9:07 AM
To: pen-test@securityfocus.com
Subject: Bank Audit Best practices
I'm looking for some feedback from other people who conduct security
audits and penetration tests on banks.
One of the network aspects I come across a lot is a direct line to their
transaction processor. This is often in the form of a point-to-point or
frame line that is dropped onsite with a router controlled by the
processor, not the bank. I always point out that this is a network
security risk, as there is no control from the bank side regarding the
access provided through that line, and recommend an ACL or departmental
firewall at that point.
As always, the administrators look at me like I recommended them selling
their firstborn. The relationship between the bank and their processor
is very symbiotic as the bank couldn't even exist without their
services, yet my perspective is any outside system should go through
some level of border security in order to monitor and restrict traffic.
Anyone run into this? How do you handle?
M. Dante Mercurio
dante@webcti.com
Consulting Group Manager
Continental Technologies, Inc
www.webcti.com
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