When the PC is beyond a certain perimeter, such as an employee's cubicle, and the alarm goes off, the computer is disabled at the BIOS level, making it useless to unauthorized users. To stop the alarm, the user must enter a password, Lemaire said. He said the sensors used in the Caveo-empowered laptops will have the same basic technology as those in automobile air bags, but they are not the same device. Caveo is using ADI's ADXL202E tilt-motion sensor. To provide the best laptop security, a combination of devices should be used, Caveo's Greenwald said.
All security devices have their pros and cons.
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