15.8.1. Means to Protect the Data
Encryption: the Linux Kernel offers different options.
SmartCards : the only available laptop with a SmartCard built-in is the Siemens Scenic Mobile 800. And some ACER models.
User passwords: can be easily bypassed if the intruder gets physical access to your machine
Hard Disk Passwords:
BIOS passwords: are also easily crackable, though sometimes harder than with desktops. But how to do so is beyond the scope of this guide :) Some manufacturers have now a second boot password (IBM).
If you use a BIOS password/boot loader security, ADVERTISE IT! Paste a sticker (or tape a piece of paper) on the top of your laptop, saying something like:
WARNING
This laptop is password protected. The password can only be removed
by an authorized [manufacturer's name] technician presented with
proof of ownership. So don't even think of stealing it, because
it won't do you any good.
Before you buy a second hand machine, check whether the machine seems to be stolen. I have provided a survey of databases for stolen laptops .
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