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erasing data beyond recovery

do these products like CyberScrub, Cybercide, and Evidence Eliminator that claim to erase data beyond software or hardware recovery actually work?

Or, if sensitive data got on the hard drive, is it recoverable no matter what process was used to erase or destroy it?

Also, please tell me if you have specific experience in data recovery.  Thanks.
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kitesurferdude
Asked:
kitesurferdude
1 Solution
 
JamesTX10Commented:
Hi kitesurferdude,
http://www.killdisk.com/ Is a popular tool for cleaning discs.

JamesTX10
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David-HowardCommented:
I know that departments such as the FBI and the CIA have utilities that can recover virtually any data, no matter how it was altered on the drive, disk, etc.
You can download a utility here that makes 35 passes on the hard drive. This will effectively erase the drive for most recovery utilities.
http://www.linux-kurser.dk/secure_harddisk_eraser.html
Some time ago I worked for the US Navy in a communications facility. They did not rely on utilities in emergency crisis. They physically destroyed the platters of the hard drive or melted them with heat or chemicals.
This is mentioned as well in the above link.
David
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SunBowCommented:
Closed.

I agree with last two comments.
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