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Looking for solution for flash drive use at work

by kelk10 / April 8, 2010 3:36 AM PDT

I am looking for a soulution to have flash drives encrypted at work. I would also like the files on the flash drive to only be accessible while it is pluged into a computer at one of our five branch offices. Any suggestions? Thank you in advance. We are currently running XP on our machines and Server 03 however we are currently in the process of upgrading to Windows 7 and Server 08

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Seems pretty straightforward
by Jimmy Greystone / April 8, 2010 3:49 AM PDT

Seems pretty straightforward. Pay some small software company to develop a custom encryption program for you. Then only systems you designate would have the program to encrypt/decrypt the files.

You wouldn't likely be able to encrypt the drive itself, since that would require some sort of encrypted filesystem. On Windows that leaves you with EFS, which is a bit dangerous if you're not careful, or having someone write a custom filesystem for you, which would probably be expensive and problematic at best.

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Your IT staff and EFS.
by R. Proffitt Forum moderator / April 8, 2010 3:53 AM PDT

This can be done but keep in mind that there is no CLICK HERE SOLUTION. It will be possible to use EFS on a flash drive noted at

Since the CREDENTIAL is from your Windows Server only when the user is logged into said servers will this volume/drive be available.

To reduce this to just a specific machine your IT staff will have to implement custom solutions or login scripts to enable, disable USB use. As IT professionals they know what's offered to do that today. I'll not supply links for that part of the solution.

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Please Elaborate
by kelk10 / April 8, 2010 5:42 AM PDT
In reply to: Your IT staff and EFS.


Could you elaborate on how the drive would only be available when you sign in with your credentials. Thanks

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by R. Proffitt Forum moderator / April 8, 2010 5:58 AM PDT
In reply to: Please Elaborate

EFS does that. To explain EFS would mean I would be duplicating web content about EFS. Sorry but I can't duplicate that here. See the forum policies.

Maybe I miswrote that. I don't sign in with my credentials but rather when I log in, the Windows 2003 server supplies the EFS credentials to enable access to the EFS protected volumes. Since I don't have such a log in and server on other machines the EFS drive is inaccessible when I'm on other machines.

I think that would be confusing to those that didn't take the usual courses in Windows Server Administration but at least I restated right this time.

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