good stuff on transponder keys/rfid

Found this article reading IEEE newsletter. A bunch of links I thought fascinating, especially how transponder keys have been overridden(link taken from that same article).C Renner's Auto Electronix

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Thanks Chris informative as ever, RFID stealing, a speciality in Eastern Europe, you go into a Starbucks in Prague* in your pocket are the keys to your new M/B with keyless go etc. Someone sits near you and opens up their laptop, you use the toilet and come back to find your car vanished, this was first noticed in C-Net about 2 years ago. Pete R. some of these key and go systems have a lower level of encryption than a 10 year old Clifford! Thanks for the posts! H.  * No disrespect to any one country I could have said Budapest (OK NO Hungarian or Polish jokes here) or Warsaw