Article View: sci.crypt
Article #442Re: PIN codes
From: Phil Karn
Date: Tue, 21 Jul 1992 03:51
Date: Tue, 21 Jul 1992 03:51
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1373 bytes
In article <1992Jul19.210601.27046@cs.ucla.edu>, gast@oahu.cs.ucla.edu (David Gast) writes: |> 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. Home Fed does not allow any PINs longer than 4 digits. Most San Diego Trust and Savings ATMs seem to have recently acquired a tinted brown plastic wall about 6 feet in front of the machine. It's not opaque, but I'm sure it makes reading a PIN from a distance using binoculars a lot harder. I suspect this is the idea. Nevertheless, I still make it a point to stand close to the machine and cover my hand whenever entering my PIN. Phil
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arc1-ca.pugleaf.net!sparky!uunet!elroy.jpl.nasa.gov!usc!sol.ctr.columbia.edu!destroyer!gumby!yale!mintaka.lcs.mit.edu!hri.com!spool.mu.edu!wupost!zaphod.mps.ohio-state.edu!mips!pacbell.com!network.ucsd.edu!qualcom.qualcomm.com!karnShow Full Headers
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Message-ID: <1992Jul21.035158.22689@qualcomm.com> Path: arc1-ca.pugleaf.net!sparky!uunet!elroy.jpl.nasa.gov!usc!sol.ctr.columbia.edu!destroyer!gumby!yale!mintaka.lcs.mit.edu!hri.com!spool.mu.edu!wupost!zaphod.mps.ohio-state.edu!mips!pacbell.com!network.ucsd.edu!qualcom.qualcomm.com!karn From: karn@qualcom.qualcomm.com (Phil Karn) Newsgroups: sci.crypt,alt.security Subject: Re: PIN codes Date: 21 Jul 92 03:51:58 GMT Sender: news@qualcomm.com Reply-To: karn@chicago.qualcomm.com Organization: Qualcomm, Inc Lines: 16