July 29, 2004
Lukas Grunwald's RFDump Can Hack RFID Tags
The data stored on RFID chips may not be as secure as one would hope. Lukas Grunwald, a consultant at DN-Systems Enterprise Solutions GmbH in Germany has developed a new tool, RFDump, which is able to rewrite RFID data. Grunwald fears that this tool could be very useful for shoplifters who would be able to alter the data on an expensive item to read as though it were a commodity.
CNET News.com reports:
When such tools become widely available, hackers and those with less pure motives could use a handheld device and the software to mark expensive goods as cheaper items and walk out through self checkout. Underage hackers could attempt to bypass age restrictions on alcoholic drinks and adult movies, and pranksters could create confusion by randomly swapping tags, requiring that a store do manual inventory.
Grunwald's software program, RFDump, makes rewriting RFIDs easy. While there are significant malicious uses of the program, consumers could also use it to protect themselves, he said.
Read more: RFID tags become hacker target
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