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data recovery !


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28 replies to this topic

#25 morefood2001

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Posted 29 August 2008 - 11:15 AM

That is where I'm confused.. after a full format it is supposed to be storing a binary 0 in it....


It does write 0 over everything.

But data recovery is still possible through expensive equipment that professional recovery firms use, it becomes much less possible each time its overwritten, so if you overwrite the data 7 times, its 7x likely not to be recovered and will take 700x the effort to get that data back.

Its actually amazing to read about computer forensics.
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#26 TcM

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Posted 29 August 2008 - 11:17 AM

Would a huge magnet do the job? Making data irrecoverable?
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#27 morefood2001

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Posted 29 August 2008 - 11:23 AM

Would a huge magnet do the job? Making data irrecoverable?


A super magnet might do the trick if you rub it for a few minutes making it completely impossible to get anything back. It might also ruin your hard drive for good lol. But that is only my educated guess.

Really, I'm not sure how data can be erased for good, I know that it can be erased to "good enough" by writing over it 20 times to where the money to recover it far out supplies the national debt of the US lol.
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#28 TcM

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Posted 29 August 2008 - 11:58 AM

As in.. 20 FULL Formats would do it? So that's like 40 hours.. on average of formatting (depending on the HDD size of course)
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#29 morefood2001

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Posted 29 August 2008 - 12:30 PM

As in.. 20 FULL Formats would do it? So that's like 40 hours.. on average of formatting (depending on the HDD size of course)


That should do it :)
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