Re: Preserving evidence

From: Meritt James (meritt_jamesat_private)
Date: Fri May 03 2002 - 07:09:43 PDT

  • Next message: Christopher L Brown: "RE: Preserving evidence"

    Oh, I know what SHOULD be done.  But I'm thinking of those poor sites
    who's main server has been whacked and there is no way that they could
    take that system off-line for business reasons, or have another system
    that it could be duplicated on.
    
    JIm
    
    Craig Billado wrote:
    > 
    > James,
    > 
    > The courts will expect an investigator to follow industry "best practices."
    > This often translates to the IACIS method of computer forensic
    > investigation. The IACIS method allows for a limited examination of
    > original media (e.g., it is hardly feasible to duplicate several terabytes
    > of evidence from a RAID 5 array). This is, of course, an exception to the
    > rule. If it is feasible for you to duplicate a drive and work on the copy,
    > you wouldn't have much ground to stand on should you do otherwise.
    > 
    > Sincerely,
    > 
    > Craig L. Billado, CISSP
    > Ethical Hacker -- IBM Global Services
    > Office:  (303) 924-4336
    > Mobile:  (303) 641-4719
    > 
    > 
    >                       "Meritt James"
    >                       <meritt_james@bah        To:
    >                       .com>                    cc:       FORENSICSat_private
    >                                                Subject:  Preserving evidence
    >                       05/03/2002 07:05
    >                       AM
    > 
    > 
    > 
    > While a disk duplication and then work on the dupe is preferred, what is
    > the legal status with respect to evidence of doing a full backup to tape
    > (with witnesses, using a standard product, sealing the tape afterwards
    > appropriately, ..) then working on the original?  I'm thinking of the
    > resources at hand for some of the smaller sites.
    > 
    > Alternatives?
    > --
    > James W. Meritt CISSP, CISA
    > Booz | Allen | Hamilton
    > phone: (410) 684-6566
    > 
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    -- 
    James W. Meritt CISSP, CISA
    Booz | Allen | Hamilton
    phone: (410) 684-6566
    
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