Brush up on Bluetooth
Short summary:
Stake, Redfang is the first hacking tool to target Bluetooth devices. One of the ... ( Bluetooth Hacking 1) How Can Bluetooth be Used More Securely? ...
Long summary:
What is Bluetooth? Bluetooth is a wireless radio specification designed to replace cables as the medium for data and voice signals between electronic devices. The specification is defined by the Bluetooth Special Interest Group (SIG) which is made up of over 1000 electronics manufacturers. Intended primarily for mobile devices, Bluetooths design places a high priority on small size, low power consumption, and low costs. The Bluetooth specification seeks to simplify communication between electronic devices by automating the connection process. Gartner research projects that 161 million Bluetooth devices will ship in 2003 and that number will rise to 362 million in 2004. (Cox 1) Bluetooth can currently be found in devices such as laptop computers, cellular phones, PDAs, headsets, printers, computer keyboards and mice, as well as digital cameras and other consumer electronic devices. Bluetooth connectivity is even finding its way into automobiles as some cars now come equipped with Bluetooth systems that facilitate hands-free calling via Bluetooth enabled cellular phones. (Bluetooth in Cars 1) The wide variety of products that will support Bluetooth technology combined with the convenience of automated communication promises to usher in a new era of connectivity among electronic devices. How Does Bluetooth Work? Bluetooth radios operate in the unlicensed 2.4GHz Industrial, Scientific, and Medical application (ISM) frequency range. This frequency is already widely used by devices such as microwave ovens, baby monitors, cordless telephones, and 802.11b/g wireless networking devices In order to avoid interference from these devices, Bluetooth uses a technology called spread spectrum frequency hopping. Spread spectrum frequency hopping changes the transmission frequency up to 1600 times per second across 79 different frequencies. As a result, interference on any one of those frequencies will only last a fraction of a second. (Franklin 4) This, coupled with the limited range of Bluetooth ...
Source: cnscenter.future.co.kr
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