Great Circle Associates Firewalls
(December 1996)
 

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Subject: Re: Hackering, Export restrictions
From: "R. Kevin McPeake" <kmpeake @ gwr . bausch . nl>
Date: Fri, 13 Dec 96 13:19:11 +0100
Cc: "Firewalls" <Firewalls @ GreatCircle . COM>

>Let's put it into perspective.. you go to a restaurant, and give the
>camarrero your credit card, he disappears for 15 minutes to run it through
>the machine.  If he was bored enough, or part of a gang, he could be
>making a copy of your details.
>
>A bored teenager, decides to look through the dustbins outside the same
>restaruant - maybe he finds all those pieces of carbon paper with the
>imprints on them.
>
>That said, I still wouldn't use my card over the Internet :-)

Just FYI (not to start another off the topic debate)

heh....5 years ago in the states, I wrote both client & Server 
applications for BankNet, VISAnet, and NDC and other Banking Financial 
Transaction networks which mostly utilized X.25 Networks (usually leased 
space from BT, Compuserve, etc) for the Authorization, and Transaction 
processing of Credit Card Transactions made with Automated Teller 
Machines and Credit Card Verification Systems from the makers of 
Verifone, Omron, NDC, etc.

Even though the card numbers were *supposed* to never leave the credit 
card terminals without being encryted, they were stored as "plain text" 
in the terminals memory until transaction processing. Although most 
people these days seem to "feel comfortable" enough to let people pass 
thier cards through said terminals, in reality, it would be easier for 
someone to actually DIAL IN to a terminal (yes, most support dial-in 
access) and download all it's data-card tables in ASCII format.  I could 
be in and out of the terminal in under just 1 minute, and walk away with 
over 400 card numbers and the only logs would be of a simple unobtrusive 
phone call.

Now.....your sayiing to me that you would never use your credit card over 
Internet Based security layer protocol that would take someone at about a 
week to crack, but yet you would trust your card to some kid to slide 
your card through a credit card terminal that has almost no security 
preventions at all?  Come on.

And yes, most of these same and similiar terminals with large gaping 
security breaches are still being used today all over the world.  In 
fact, Verifone and MicroSoft have signed agreements to develop 
applications together for the banking industry over the Internet.  Now 
there's an example of security (sarcasim intended)

AS for me.... I haven't used credit cards in the last 5 years. :)

Kevin McPeake

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