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Bluejacking, a problem that is relatively unknown and from time to time plagues PDAs and laptops, is something there is relatively little concern over. Most don't know about it and those abusing bluetooth aren't common, though apparently attacks on bluetooth devices are increasing enough to warrant security software being designed for it. Sana Security is updating their laptop security software, formerly geared mostly around wireless, to include protection from bluetooth-sourced attacks.
While uncommon, the danger in bluetooth attacks is that most people are unaware of being exploited:
"Bluetooth technology in use today has a fatal design flaw, from a security perspective, that is relatively easy for a motivated person to exploit, and while Wi-Fi vulnerabilities are fairly well known, people are just waking up to the security holes that can be opened by Bluetooth," said Sana Security CEO, Don Listwin.
But do the flaws warrant security software to protect machines, however? Bluetooth is easy enough to disable when not in use. On the other hand, most people would rather not be bothered. Of course, if you want to give yourself this added protection on bluetooth, you'll be paying. A license for their security software starts at about $30.