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RoccoR5955

(12,471 posts)
7. I don't know that, but
Mon Apr 15, 2013, 11:38 AM
Apr 2013

There is a piece of software called "Disk Investigator," which will allow you to do a sector by sector read of the hard drive.
It is a very painstaking task to find data, if you don't know EXACTLY what you are looking for. You can page through the millions, even billions of bytes on the HDD to see the data, but it will take a LONG time.
http://www.theabsolute.net/sware/dskinv.html
There's a link in case you are curious.
I do not know the method that such a software company can use, but they may replace the data with zeros and ones, if they truly seek to remove all traces of the data.

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