by August 1, 2009 0 comments

TrueCrypt is a free and open source tool to protect your data from
unauthorized users. This tool creates a file which actually depicts a virtual
encrypted drive. This file can be mounted with TrueCrypt as a drive and can then
be worked on just like a normal drive.

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Applies To: IT Managers
A useful tool to protect your data
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The tool also allows you to encrypt full partition of a hard drive or
USB-based HDD /flash drives. You can also create hidden volume, so even if the
password is known to someone he will not be able to access the hidden data. It
also lets you encrypt the partition where Windows is installed. This means, if
someone wants to boot your machine, then he will be prompted for password. The
boot time authentication is taken care of by TrueCrypt boot loader, which
resides in the first track of the boot drive.

To create a hidden volume, click
on ‘Create volume’. Choose ‘Create encrypted file container’ and then
‘hidden TrueCrypt volume’ for creating hidden volume.
Select the mode of creation as
‘Normal mode’. Select direct mode if you are likely to create a hidden
volume inside an existing TrueCrypt volume.


Now give it a name and choose
the path where the file will be created. This will be the virtual drive for
TrueCrypt allows you to choose
an algorithm which will be used for encryption. You can also run benchmark
for all the
algorithms at one go and see which one is the best for you.


Now specify the size of the
file/drive that will be created by TrueCrypt for storing the data.
Specify the password which will
be required to authenticate you. The password should be of minimum 20


This tool allows you to choose
different algorithms for hidden and non-hidden volumes. Here, choose the
algorithm for the hidden volume.
For encrypting your system
partition, first click on system and then choose ‘Encrypt system partition’
option and follow on screen instructions.


If only one OS is installed,
choose ‘single-boot’ or if multiple OSes are installed, choose ‘multi-boot’.
As the final step it creates a
rescue disk that you need to burn onto a CD/DVD. The tool does not let you
proceed further
unless you create a rescue disk.

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