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**pam123** · 07-26-2007, 06:07 PM

The more times a disk is overwritten the more (higher) the security level, according to government standards.
More here : http://www.webopedia.com/DidYouKnow/..._harddrive.asp

As a practical consideration, unless the NSA is on your tail or you're donating the drive to the computer lab at MIT one or two passes should do it.

07-26-2007, 06:07 PM	#10
pam123 Computing Professor Staff Premium Member Join Date: Jun 2001 Posts: 11,714	The more times a disk is overwritten the more (higher) the security level, according to government standards. More here : http://www.webopedia.com/DidYouKnow/..._harddrive.asp As a practical consideration, unless the NSA is on your tail or you're donating the drive to the computer lab at MIT one or two passes should do it. __________________ Asus M4A77D, 64 X2 6000+, 4 GB Corsair DDR2 800 ram, Radeon 5770.