Subject:
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Re: PW validation terms/labels
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Newsgroups:
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lugnet.off-topic.debate
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Date:
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Fri, 5 May 2000 18:30:49 GMT
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Viewed:
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2534 times
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In lugnet.admin.general, Frank Filz writes:
> Perhaps part of the problem is the relative weights attached to various
> elements of strength of passwords. I would generally agree that a 4
> character password should not be accepted (of course I suspect most of
> us have a significant amount of money protected only by our physical
> possesion of a plastic card, and a 4 DIGIT password - I at least chose
> an 8 digit PIN the one time I was allowed to chose a PIN, but few ATM
> systems these days allow anything other than a 4 digit PIN).
For the average person or script kiddle to crack a 4-digit PIN via brute
force, they'd have to:
(1) first actually get someone's card; and then
(2) manually try out up to 10,000 combinations, and IIRC, ATM's are programmed
to eat cards after a few failed attempts, and they'll probably be on
videotape too.
For the average person or script kiddle to crack a 4-digit PW on the Internet,
all they need to do is write a tiny script, then sit back and watch it go, all
relatively untraceable if they're being careful. Even if they're not being
careful, it would still be trivial for them to crack a 4-digit PW or cause a
DoS if service were denied after a few failed attempts.
Unless the cracker works in the banking industry, comparing PINs to PW's is
apples and orange, my friend. :)
--Todd
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Message has 1 Reply:
 | | Re: PW validation terms/labels
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| (...) (1) is certainly true, (2) is mostly true (there are many ATMs, including ones in stores which can not eat cards, and probably don't alert the cashier to take the card [possibly dangerous if the person using the card is a real criminal]). (...) (25 years ago, 5-May-00, to lugnet.off-topic.debate)
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