Zeroing should be sufficient on any recent drive[0]. The remanence of modern magnetic drives is so low that zero should be sufficient to wipe out whatever is t

Zeroing should be sufficient on any recent drive[0]. The remanence of modern magnetic drives is so low that zero should be sufficient to wipe out whatever is there. [0] http://security.stackexchange.com/questions/10464/why-is-writing-zeros-or-random-data-over-a-hard-drive-multiple-times-better-th/10474#10474 http://security.stackexchange.com/questions/10464/why-is-wri...