[LINK] refusing contactless cards

Kim Holburn kim at holburn.net
Thu Aug 1 22:19:24 AEST 2013


On 2013/Aug/01, at 5:37 PM, Harry McNally wrote:

> Hello Karl (and Link)
> 
> On 01/08/13 13:46, Karl Schaffarczyk wrote:
>> Craig,
>> My local credit union (CPS) happily disabled the contactless functionality
>> of their card when I requested it.
>> 
>> Their solution was to set the authorised transaction limit to zero, which
>> doesn't stop presentation of the card, but all transactions are declined.
>> The chip and magstripe both work just fine.
> 
> I assumed (perhaps incorrectly) that the fast response of PayWave meant it was 
> not authenticating the transaction in real time. So it's not clear to me how 
> the transaction limit will prevent loss (or theft). If the transaction is 
> later declined then the merchant has a loss.
> 
>> It might be worth asking Bendigo to make a similar adjustment.
> 
> This doesn't prevent RFID card skimming; the concern raised by Craig.

No but it stops Craig's liability.  That is the point surely.


-- 
Kim Holburn
IT Network & Security Consultant
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