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jeeper jeeper
 
February 18, 2009 04:56 PM

Automatic Secure File Deletion for Windows XP

I'm looking for a solution that automatically securely deletes files in Windows XP so that they are unrecoverable. This is for a shared PC that users will use to access online applications.

I need to ensure that when IE is closed (already set to automatically empty the Temporary Internet Files) that files are not just deleted, but securely deleted.

I don't want this to be an application that the user has to manually start or that runs on a schedule. It needs to be automatic.

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waulok waulok
 
February 19, 2009 03:32 AM
Rather than just encrypting the folder, you might want to consider creating a separate partition, use TrueCrypt (free) to encrypt that permanently and move your Temporary Internet Files folder (in Internet Explorer) to another location on this new partition.
If need be, you can use GParted to easily resize your partitions, non-destructively to leave space and create another, new partition on the hard drive. Then format this new partition in Windows.
Source(s):
http://www.truecrypt.org/
http://support.microsoft.com/kb/172949
http://gparted.sourceforge.net/


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jeeper jeeper
 
February 19, 2009 04:43 AM
The secure deletion needs to be transparent to the user. Asking for a password for an encrypted folder/partition is not an option. The data needs to be unrecoverable in the event the PC is stolen.

If a user of the shared workstation is able to have data saved to an encrypted folder. It seems they would also be able to read files from the folder.

Am I missing something?

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waulok waulok
 
February 19, 2009 05:32 AM
You are correct. I did not realise it would require a password separate from the logon one. There do not seem to be many which work without a password. Even full OS disk encryption programs seem to require a different password on bootup.

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waulok waulok
 
February 19, 2009 05:40 AM
You can, however use FreeOTFE which has commandline tools to allow you to mount your encrypted partition as well as run the program with the password automatically at startup:

--quote--
Q: How can I get FreeOTFE to mount my volumes at startup/when I login?

A: By creating a shortcut with suitable command line parameters in your "Startup" directory (click the MS Windows "Start" button, then go to "Programs | Startup"), FreeOTFE can mount volume files after your system starts up/you login.

See the Command Line Interface section for full details of FreeOTFE's command line options.
--/quote--

http://www.freeotfe.org/docs/command_line.htm

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