In its October 2005 Federal Register notice, the State Department reassured Americans that the e-passport's chip would emit radio waves only within a 4-inch radius, making it tougher to hack.Still no word on when Tommy Thompson is going to finally get that rectal implant...
But in May 2006, at the University of Tel Aviv, researchers directly skimmed an encrypted tag from several feet away. At the University of Cambridge in Britain, a student intercepted a transmission between an e-passport and a legitimate reader from 160 feet. [More]
[Via William T]