OUT-OF-WALLET Authentication?

관심 있는 것들/이것 저것 2007/04/02 22:30
The innovative solution to identify a person is introduced in Newsweek
and It's called "out-of-wallet authentication".
We can guess the information that the solution is based on as we can see the name.
We usually put the written form of identification in the wallet such as a driving license,
social security card and credit cards.
But now we can verify our identification without our wallet by answering some questions
about the private information including court house records, your pet's name or your favorite movie.
 
The British company, "Experian" provides the innovative security service by "out-of-wallet authentication".
For example, if a customer arouses suspicion, then credit-card company sends the basic information
to the "Experian" and they can verify the customer by asking some questions based on the data
that customer didn't give to the credit-cards company.
How could "Experian" glean the data without the customer's notice?
They've culled raw data from public and private database and analyze and make them information
by tool that they've developed.

It can be effective in some aspects that it's easy to identify a person.
On the other hands, the solution should consider the case to verify the person based on the wrong information
or wrong answer (even though he is a right person).
They say that they have tolerance for those cases.
(I don't know what it is..;; )
 
Now, every single trivial information is worthy to remember.
We are easily tempted to gather the raw data and sell them to people who wants to abuse the information.
One ex-con(ex-convict) person said that he could cull data that he tried to impersonate
with less than $1,000 and he could flipped his fraud ring perfectly.
And he could defeat all the "out-of-wallet test".
Well..if I try to protect my private data perfectly,
then I can not be verified myself with proper data.

2006.11.27 NEWSWEEK
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