Security Basics mailing list archives

Re: Encrypted File Systems


From: N407ER <n407er () myrealbox com>
Date: Sat, 02 Aug 2003 14:30:27 -0400

I could be completely off the mark on this; I'm trying to recall what I read when I skimmed an article god-knows-where a few weeks ago on EFS.

Supposedly one of the big issues with EFS in 2K was that the Default Recovery Agent--who can recover encrypted files--was the administrator. Well, any exploits that would allow admin access (and there are quite a few) would allow decryption.

So my impression was that if you had a competent admin who made his DRA an administrator in the domain rather than just the default local admin, you'd be a lot better off. I think--just a guess since I've not read anything to the contrary--that the encryption itself isn't all that bad.

Anyone care to set me straight?

Ah, and I did some googleing. Here's what I read: http://www.serverwatch.com/tutorials/article.php/2106831

Ricardo Oliva wrote:
Hi,

I am just trying to get some info on the best method available for having files encrypted on a system. This is a laptop that is going to be used outside our physical environment and I would like to make sure that info is not accessed in case of the laptop going missing, etc...

I understand that the Windows EFS implementation had some issues on win2k, and that the XP implementation is slightly better. Any comments on that?

Any solutions for win98?

Thanks in advance.

Regards,


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