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ÀÔ·Â : 2006.01.27 18:15 / ¼öÁ¤ : 2006.01.27 18:15

¡ã ·¯Çø° / Çѱ¹°úÇбâ¼ú¿ø ÃÑÀå



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The Banking Scandal


While Koreans are wringing their hands over their cloning scandal they are
overlooking a vastly more important science and technology
problem here, namely the problem of banks.
Banks operate in the private sector where key facts are hidden from view,
so I cannot make any accusations other than pointing out what does
and does not work.
However, it is my experience that problems of this nature typically arise
when businesses refuse to pay software licensing fees.
These fees can be quite large, and companies often conclude that the cost
is not justified for such a simple thing.
Then they take matters into their own hands, with disastrous consequences.
The problem can also result from sheer technical incompetence, but it
usually doesn't.
I signed up for internet banking in the US with a phone call.
They assigned me a user name and password over the phone, and I then used
these two pieces of information to access my account through an encrypted
(https) internet site. That was it.
Please come with me now into the branch office of my Korean bank to
get internet banking.
You will not forget the experience.
After taking a number and waiting, I'm called by a clerk, who asks me to
fill out a form that includes two secret passwords.
She also gives me a little card with secret codes assigned to numbers.
She then sends me to a nearby computer terminal, into which she has
inserted a fresh floppy disc. She sits me down at the terminal and directs
me to an internet site.
The English side of this site doesn't work, and the Korean side has wrong
instructions, but I nonetheless figure out what the Korean side of the site
meant to say but didn't---after some time.
I type the two passwords into appropriate boxes, some personal information
into other boxes, and press "Enter".
Oh no! An incomprehensible message pops up: "Error Number 4396895944" or
something.
So I go back and retype everything. The same message appears!
Evidently I have not made a typing error but instead have misunderstood the
format required. I go back and retype a third time, changing one of the
entries experimentally.
No luck! I then retype with another change. No luck! Change. No luck!
Change. No luck!
After about thirty minutes of retyping the same information over and over,
I hit on the solution at last: the password must contain at least one
number!
I didn't know this because I filled out the password on the sheet of our
application in letters only, and nobody objected.
The computer then asks me for one of the secret code numbers on the card.
The floppy drive hums into action and writes something.
Hurrah! The computer says I'm done.
What has happened technically is fairly obvious.
The bank needed to give me encryption keys, but didn't want send them over
the internet by public-key cryptography for some reason. (Didn't pay
patent licensing fees, perhaps?)
So it gave me the keys on a floppy disc instead.
But that created the further problem that people might steal my floppy and
get access to my bank account.
The bank addressed this problem encrypting everything on my disc a second
time using a second password and secret codes.
Thus the floppy I took home was an electronic version of a Russian Matrushka doll,
secrets within secrets.
Now it's time to get the secrets out.
I want to rest from my labors, but there is no time for complacency.
I resolve to keep focused.
I take the floppy disc immediately to the computer in my office, insert it
into the drive, point my browser at the bank's web site, and log in.
A box pops up asking "Download this .exe file?"
Oh no! I close my eyes and shake my head.
There is no point in continuing. My computer runs Linux, not Windows, and
thus does not know what ".exe" files are. I click the browser away.
The only reason my bank can get away with such dismal service is that its
market is protected.
If it had to compete, it would have to offer painless internet banking or
lose customers.
Thus Koreans have only their own lawmakers to blame for this terrible state
of affairs.
The moral of this story is not that I hate Korean banks (I don't) but
that science and technology don't make value by themselves.
Organizations investing in technology but not in proper planning and use
of that technology are just wasting their money and making trouble for the
rest of us.
If Korea is serious about becoming a Science and Technology Society,
I suggest it start by reforming its banks.





(·¯Çø° ¡¤ Çѱ¹°úÇбâ¼ú¿øÃÑÀå rbl@president.kaist.ac.kr)
(¹ø¿ª¡¤Á¤¸®=ÀÌÇö°æ Ä«À̽ºÆ® ¼ö¼®ºñ¼­ harrison2@kaist.ac.kr)

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