funsec mailing list archives

Re: Windows-based cash machines 'easily hacked'


From: "Dennis Henderson" <hendomatic () gmail com>
Date: Tue, 18 Mar 2008 11:40:27 -0500

On Tue, Mar 18, 2008 at 10:27 AM, Kitsune <kitsune () sbcglobal net> wrote:

 I didn't mean to imply that I could reach (ping) ATMs that were not part
of the customer's network (ie STAR, MAC, etc). But to imply that the
physical location is irrelevent. If it is the customers machine, it is on
(one of) their networks which makes it reachable.


Perhaps we're talking past each other. Yes our ATM's are on our company
managed networks. Are they reachable by someone on the WAN? No. Can they
talk to anything but the devices they need to talk to for transactions
and monitoring? No. Can they reach the Internet?

Hell no.

:)

But thats just one layer of the whole security model...



   Perhaps your ATM's are on your WAN. Not all banks share your strategy.
Some banks have far more ATMs deployed at gas stations and malls than
branches. Makes the isolated network strategy very easy to pull off.

kit> I am not the bank, but a contractor. I am also in the US, YMMV. On
many of my customer's networks, I can easily reach (ping) every ATM in every
mall and gas station and branch from any other part of the network. I'm not
trying to toot my own horn, for I have none, but my customers are quite
large. and stupid.




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