Article View: sci.crypt
Article #437Re: PIN codes
From: Marien de Clercq
Date: Tue, 21 Jul 1992 11:51
Date: Tue, 21 Jul 1992 11:51
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gast@oahu.cs.ucla.edu (David Gast) writes: >In article <1674@uel.co.uk> mike@uel.co.uk (Michael Convey) writes: >I don't know all the details of the Home Fed Bank, but ... >>2) An account number (which he could have got from an ATM repceit) >Their ATM receipts do not print the entire account number. >>3) A PIN (which he could have got from looking over someone's shoulder) >I think it is a disgrace the way that buttons are set up so that it is >virtually impossible to block the person behind from seeing what is typed, >particularly given that most banks only allow a four digit PIN. The >fact that most ATM machines are close to a (reflective) window does not >help either. What I want I to add to this remark is that - at least here in Holland - in more and more shops you can also pay with your PIN-code. For this reason they have these ATM's on the counter, producing a receipt for you with a carbon copy for the shop holder. To my surprise and worry I did not see one ATM yet that was placed in a way that you could prevent people looking over your shoulder AND - what even may be more important - to prevent the person behind the counter to see what you enter (even though he or she will see it upside down). The way these devices are placed in most shops perfectly allows the shopkeeper to collect PIN-codes of all his customers. Together with the Card-numbers that are fully printed on his copy of the receipt, this is exactly the information that is warned against in earlier postings about this subject. A little cap over the keypad could prevent a lot of misuse, but I guess that is far too expensive ... -- Marien de Clercq ___ "She was bored with the man, Intergraph European Mfg. bv. /|/| // because no matter what happened Nijmegen - The Netherlands / | __// he was always happy as a ... E-mail: clercqm@nijmeg.ingr.com / |/_/ \___ clown" - Laurie Anderson
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Newsgroups: sci.crypt,alt.security Path: arc1-ca.pugleaf.net!sparky!uunet!infonode!ingr!nijmeg!clercqm From: clercqm@nijmeg.ingr.com (Marien de Clercq) Subject: Re: PIN codes Message-ID: <1992Jul21.115142.8846@nijmeg.ingr.com> Organization: Intergraph Nijmegen References: <1992Jul14.122816@sees.bangor.ac.uk> <15429@star.cs.vu.nl> <1674@uel.co.uk> <1992Jul19.210601.27046@cs.ucla.edu> Date: Tue, 21 Jul 1992 11:51:42 GMT Lines: 40