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/Secure-deletion-a-single-overwrite-will-do-it--/news/112432
Saturday, January 17, 2009
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