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Computer Forensics World :: View topic - Data Recovery Using EnCase
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Data Recovery Using EnCase

 
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ComputerLearner
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PostPosted: Wed Jul 31, 2013 2:49 pm    Post subject: Data Recovery Using EnCase Reply with quote

Can EnCase recover user data that has been deleted.... and the clusters that contained that data have been 100% overwritten by fresh data?
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cybercop
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PostPosted: Wed Jul 31, 2013 9:43 pm    Post subject: Reply with quote

Once the physical location on the HDD has been overwritten, data recovery possibility is almost impossible. If you have a clean room and millions of $$$$ worth of equipment, you can do microscopic examination and examine slack space and MIGHT find some file fragments but that is about it.
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ComputerLearner
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PostPosted: Wed Jul 31, 2013 11:18 pm    Post subject: Data Recovery Using EnCase Reply with quote

Hi Cybercop,

Thanks for your response. This is what I also understand from a technical point of view that once a cluster has been 100% overwritten, the overwritten data is LOST FOR GOOD.

The fact is data recovery depends on whether the data has been overwritten or not.

Now, if somebody states in a court of law that they used EnCase to recover deleted data... and that EnCase has capability to recover 100% of whatever has been deleted without stating when EnCase can actually recover data and when it cannot, how should such statements be treated? Is the Expert Witness lying under oath? The impression the Expert Witness is impressing upon the court is that EnCase can recover any deleted data irrespective of the circumstances.
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PreferredUser
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PostPosted: Thu Aug 01, 2013 12:13 am    Post subject: Re: Data Recovery Using EnCase Reply with quote

ComputerLearner wrote:
Now, if somebody states in a court of law that they used EnCase to recover deleted data... and that EnCase has capability to recover 100% of whatever has been deleted without stating when EnCase can actually recover data and when it cannot, how should such statements be treated? Is the Expert Witness lying under oath?
Likely it is less malicious than misguided. Sounds like inexperience.
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ComputerLearner
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PostPosted: Thu Aug 01, 2013 1:09 am    Post subject: Data Recovery Using EnCase Reply with quote

Do you expect such a statement from someone who has sworn in court as an IT Expert Witness? How should the magistrate treat that statement?
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cybercop
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PostPosted: Thu Aug 01, 2013 6:35 am    Post subject: Reply with quote

It isn't up to the judge to make decide whether that statement is true. It is up to the defense to prove that it is not true. Once they do that the judge/jury will weigh the credibility of the evidence and the statements presented.
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