After a recent trip to the hospital, I wondered how easy it would be to clone those security cards people have to get through certain doors. I really don’t have any malicious intent, I’m just curious. Well, today I read an article that inspired me to go from just curiousity to actually trying. I’m going to give a few links to different sites that talk about how to build an RFID skimmer. I’m sure there are multiple ways to do this so I just want to supply a few and then try them out as time and money permits.

Here is a site that talks about skimming proximity cards. (like those used at the hospital I was at)

This is an academic paper that discusses skimming RFIDs and how to build them. (download PDF at the bottom)

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