] RFDump is a tool to detect RFID-Tags and show their meta
] information: Tag ID, Tag Type, manufacturer etc. The
] user data memory of a tag can be displayed and modified
] using either a Hex or an ASCII editor. In addition, the
] integrated cookie feature demonstrates how easy it is for
] a company to abuse RFID technology to spy on their
] customers. RFDump works with the ACG Multi-Tag Reader or
] similar card reader hardware.

This was one of the more interesting presentations from Black Hat. Apparently a company deployed a retail RF-ID pricing system in Germany in which the tags could be rewritten! So this guy can roll into a store with his iPaq and a PCMCIA rf-id card and recode items in the store.

Unfortunately, I can't figure out how to purchase the rf-id card that is compatible with this software. So I started doing some research... See the post above...

RFDUMP.ORG - Hacking RF-ID