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A comment on FareBot: Read data from public transit cards w/ your NFC-equipped Android phone. Parent comment

Re:FareBot: Read data from public transit cards w/ your NFC-... by davidmathers on Monday February 07, 2011 @03:51PM (#2190668)
How is it a security problem? The article doesn't say anything about a security problem. On the contrary it says the security of some older fare cards has been compromised possibly allowing someone to alter their balance, though I am unaware of any attacks against DESFire.
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Re:FareBot: Read data from public transit cards w/ your NFC-... by megaframe on Monday February 07, 2011 @04:01PM (#2190722)
I don't believe card in SF carry the balance information I thought that was on their side, issue is if people duplicate cards then they could share unlimited month passes.
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