Re: [SLE] Root password - is it THAT simple to alter it?

From: Allen (gorebofh_at_comcast.net)
Date: 09/04/05

  • Next message: Allen: "Re: [SLE] Root password - is it THAT simple to alter it?" 
    Date: Sun, 4 Sep 2005 13:54:22 -0400
To: suse-linux-e@suse.com

    On Sun, Sep 04, 2005 at 06:37:58PM +0100, Dylan wrote:
    > On Sunday 04 Sep 2005 18:11, Randall R Schulz wrote:
    > > Mike,
    > >
    > > On Sunday 04 September 2005 09:56, Mike wrote:
    > <SNIP>
    > > > Data recovery experts are able to undo several writes to a disk,
    > > > which is why wipe disk programs do several passes, and agencies
    > > > that are concerned about loss of data grind up the disk afterwards
    > > > rather than take the chance that someone may have improved the
    > > > technique to read wiped data.

    Ummm, yea, and the good people over at... Can't say, but they can read off
    a HD that has been on fire, and even after 49 overwrites.

    > > Even assuming this claim is valid, why on earth would anybody go to
    > > these lengths?

    Lol, you've never seen people in high tech espionage?

    > OK, one of my close friends is head of IT auditing for a major City law
    > firm. Recently, a dispute arose between two of their clients over a
    > clause in a contract. Basically, one party claimed a rewording had not
    > been authorised. Several hard drives and backup sets were analysed by a
    > third party data recovery outfit who recovered a complete edit trail of
    > the relevant documents. Some parts had to be extracted from
    > over-written temporaray files because intermediate copies of the
    > documents had been deleted and didn't occur in the nightly backups.
    > This being a law firm dealing in contracts amounting to many millions
    > of pounds each, they keep copious backups. The fact the intermediate
    > documents were deleted may or may not be a matter of criminal
    > investigation. The edit trail of the documents in this case are
    > currently being considered by other lawyers to assess whether they can
    > be upheld in court. So, to answer your question - the claim IS valid,
    > and when millions of pounds or criminal action can rest on the validity
    > of a document it becomes worth going to those lengths.
     
    Why not just take all that and say instead:

    Deleted isn't.

    > > And does anyone ever stop to apply logic to this claim? Do you think
    > > this retained data is neatly layered so you can distinguish the
    > > remnants from each of those previous write cycles?
     
    > Manifestly, it is possible. The same heuristics which are applied in the
    > analysis of document authenticity for historical attribution and
    > plagiarism resolution can be applied to overlapping data sets in order
    > to separate them diachronically.
    >
    > > > There have also been rumors that they can read data from old ram,
    >
    > I'd be very sceptical about that.

    I wouldn't, seen inside the FBI ;)
     
    > > > and the EM leaking from your screen can be read from across the
    > > > street.

    Lol when I was young I used to use a TV on a certain channel and cordless
    phone to tap into calls. This isnothing new.
     
    > But this is true, I've seen it done first hand - how do you think TV
    > detector vans work to find licence avoiders (in the UK.)
    >
    > Dylan
    >
    > --
    > "The man who strikes first admits that his ideas have given out."
    > (Chinese Proverb)
    ^
    That is awesome!
     

    -Gore / Allen

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