international mobile equipment identity (IMEI). Access to this unique piece of data enables the attackers to divert incoming calls and messages to another device without the user's knowledge. Response Bluetooth vendors advise customers with vulnerable Bluetooth devices to either turn them off in areas regarded as unsafe or set them to undiscoverable. This Bluetooth setting allows users to keep their Bluetooth on so that compatible Bluetooth products can be used but other Bluetooth devices cannot discover them. Because Bluesnarfing is an invasion of privacy, it is illegal in many countries. Bluesniping Bluesniping has emerged as a specific form of Bluesnarfing that is effective at longer ranges than normally possible. According to Wired magazine, this method surfaced at the Black Hat Briefings and DEF CON hacker conferences of 2004 where it was shown on the G4techTV show The Screen Savers. For example, a "rifle" with a directional antenna, Linux-powered embedded PC, and Bluetooth module mounted on a Ruger 10/22 folding stock has been used for long-range Bluesnarfing. In popular culture In the TV series Person of Interest, bluesnarfing, often mistakenly referred to as bluejacking in the show and at other times forced pairing and phone cloning, is a common element in the show used to spy on and track the people the main characters are trying to save or stop. See also Bluejacking Bluebugging Pod slurping Snarfing References Mark Ciampa (2009), Security+ Guide to Network Security Fundamentals Third Edition. Printed in Canada. Roberto Martelloni's home page with Linux source code of released Bluesnarfer proof-of-concept. Bluetooth Hacking (computer security)