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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.
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.
Can Intelligence Agencies Read Overwritten Data?
http://www.nber.org/...ta-guttman.html
The Great Zero Challenge:
http://16systems.com/zero












