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Secure deletion: a single overwrite will do it


YoKenny

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Secure deletion: a single overwrite will do it

 

The myth that to delete data really securely from a hard disk you have to overwrite it many times, using different patterns, has persisted for decades, despite the fact that even firms specialising in data recovery, openly admit that if a hard disk is overwritten with zeros just once, all of its data is irretrievably lost.

http://www.heise-online.co.uk/security/Sec...t--/news/112432

 

Can Intelligence Agencies Read Overwritten Data?

http://www.nber.org/sys-admin/overwritten-data-guttman.html

 

The Great Zero Challenge:

http://16systems.com/zero

"Education is what remains after one has forgotten everything he learned in school." - Albert Einstein

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