RFID Tags Hackable With Cellphone

RFID tags attackable by your cellphone - Engadget

Using these scanning techniques for cracking the crypto wasn't expressly mentioned, but Shamir did announce that a modified cellphone would have more than enough power to attack and compromise all RFID tags in the vicinity.

Ah. Good 'ol RFID. It's a good idea. I promise. No way anyone would abuse them. Nope.

A Handy Stalker Tool? Not yet, but soon. Very soon.