On 20/05/2013 20:31, D.M.Chapman wrote:
In article ,
Roger Mills wrote:
On 20/05/2013 18:53, Theo Markettos wrote:

Do you have a template for where it needs to be drilled? [I assume that
it's not as simple as drilling out the contactless icon].


If it's like our cards at work (mifare classic) then a small crack at the
edge is enough to break the antenna and stop it working :-(

Darren


Surely *someone* has access to an X-ray machine so that we can map how
to disable them without shafting the chip!