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Possible Duplicate:
How can I reliably erase all information on a hard drive?

I'm looking to securely erase my files. Is shred the best option besides ditching the hardware? To what lengths should I reasonably expect to go to ensure my files are not recoverable?

marked as duplicate by Polynomial, Scott Pack, Iszi, Rory Alsop Aug 28 '12 at 15:06

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If you fear for the confidentiality of data, you should have used encryption, preferably full-disk encryption (TrueCrypt has good repute). With encryption, you do not have to worry about the disk itself, only the key; destroying the key is as good as destroying the data. This makes the problem more manageable.

Assuming that you did not use encryption, and that you have a disk where a lot of very sensitive data has been written, and you want to destroy it beyond any recovery. Then you should destroy the disk itself. Don't shred the files, shred the hardware. You could employ other methods (melt the disk in a furnace, dissolve it in acid, wipe it with an EMP from a nuclear blast...) but the mechanical shredded is probably the safest to use in a home or small business ("safest" but not "safe": beware of trapping your hands in it !).

If the price of a new new disk makes you cringe and grit your teeth, then maybe the data is not really worth a lot ? Otherwise, there is no possible hesitation.

  • thank you, and as for the edit, I just started class yesterday and I'm taking 6 of them this semester, along side working to get CCNA cirt. This said, I was very tired. Thank you so much for the answers, and edits. – Keegan Black Aug 28 '12 at 13:38

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