I would like to automatically, on a daily basis, back up key computer
files to a USB flash drive.  I know that USB hard drive enclosures
exist that do what I am asking for, but I would prefer just to use a 2
GB USB flash drive.  This question has a few parts:

Is there a USB flash drive that already has backup software in it for this purpose.

What software could I use to automatically, daily back up key files to
a USB flash drive that does not have software on it?

How do I password protect, or otherwise make the data on the USB flash
drive secure.  I am concerned that someone could just unplug the USB
drive and download.

It is important that this all be done daily, without acitive user input.

the data without anyone knowing about it.

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Request for Question Clarification by keystroke-ga on 20 Oct 2006 08:11 PDT

Hello latexbuster,

Finger print USB drives could be perfect for you!

http://www.eyenetwatch.com/USB_hard_drive/secure.htm

Let me know how this suits you.

--keystroke-ga

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Clarification of Question by latexbuster-ga on 22 Oct 2006 23:30 PDT

Yes, this mostly answers it, but there is still the need to specify
which back up software to use with it.

Hello latexbuster,

Thank you for bringing your question to Google Answers.

Finger print USB drives could be perfect for you!

http://www.eyenetwatch.com/USB_hard_drive/secure.htm

For the backup utility, you can use NTBACKUP.

Click START -> Run
then type ntbackup
and click ADVANCED from the first screen. 

That should allow you to configure a scheduled backup to the USB key.

If you need any additional clarification before rating, let me know
and I'll be glad to assist you.

--keystroke-ga

Thank you.  Good answer.

Just use the Win built in backup utility ,  it has the option for
scheduling backups and you don't have to install anything.