RE: Forensics workstations

From: neitherjat_private
Date: Mon Jul 16 2001 - 17:20:05 PDT

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    There is always a concern about "homebrew" systems when it comes time
    to testify about your "platform" for analysis.  The defense can make
    big whoopee out of your "homebrew" if it contains hardware that has
    not been tested and verified to comply with evidenciary standards,
    something most of the pre-builts claim, which in actuality is just a
    test by a security professional.  Once you reach an established
    level, though, you are unlikely to be challenged in a way you
    couldn't overcome with a reasoned response.  As far as software and
    the like goes, keep in mind that there are no original thoughts in
    this area.  Everyone is doing the same thing, usually in the same
    way, just slightly different with a different brand name on it.  The
    technology is not as important as the administrator using it, so if
    you become a seasoned professional who uses these packages as tools,
    rather than a barely educated physical security specialist who relies
    on the tools for your analysis, you will be fine with just about any
    tool out there, even one not really designed for forensic analysis. 
    You will be able to evaluate the evidence and it's storage format,
    formulate a plan to copy it without changing it in any way, and
    recover it from the copy in a manner that is forensically sound. 
    Keep at it, but don't worry about the small stuff right now, just
    throw together what you can afford, learn to do it the hard way, then
    go back and automate your redundant tasks with the precompiled stuff
    later, once you've established yourself as an unimpeachable forensic
    technician.  Good luck!!
    jeff
    
    - -----Original Message-----
    From: Elizabeth Genco [mailto:elizabeth.gencoat_private]
    Sent: Monday, July 16, 2001 4:03 PM
    To: 'forensicsat_private'
    Subject: Forensics workstations
    
    
    
    Hi again, everybody --
    
    First of all, let me just say a big thank you to the myriad of folks
    who
    responded to my last message about making the transition to computer
    forensics.  I was floored by the number of people who responded (both
    on
    and off the list), and was even more floored by the quality of said
    responses.  I got some great advice from you all.  Thanks so much!
    
    With that kind of encouragement, I decided to give this list another
    shot.  
    I've got a little time and spare equipment on my hands, so as an
    exercise
    for myself, I'd like to build a workstation for forensic examination.
     
    Now, this is purely an educational exercise, and as such, I'm not
    looking
    to create the most professional machine ever.  I'm just trying to
    learn
    something, since I've got spare resources lying around (workstations,
    hard
    disks, etc).
    
    The question I have for you all is: if you were building a forensics
    workstation from the ground up, what would you put on it?  What kinds
    of
    software and hardware would you include?  What do you consider to be
    essential, and what is simply "nice to have"?  Realize that I don't
    have
    the money to go out and purchase professional software, like EnCase. 
    So,
    while I encourage you to mention what your "money is no object" dream
    server would include, please also try to mention useful software that
    is
    free (like Coroner's Toolkit) and/or available on the cheap (like
    Norton
    Utilities).  Again, this isn't for professional use -- I'm just
    trying to
    get my hands dirty and play around a bit.
    
    I'd also like to hear what you have to say about the whole issue of
    building your own server versus purchasing special hardware (like the
    workstations made by DIBS).  I've been reading the latest Foundstone
    book
    ("Incident Response"), and in it they touch on this a bit.  Their
    opinion
    seems to be that constructing your own hardware is a bad thing.  I
    can
    understand the reasoning behind this view, but I'd like to hear other
    opinions.
    
    Thanks in advance for any input on these questions.
    
    Elizabeth
    
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