John R Pierce wrote: > On 2/8/2016 2:14 PM, Chris Murphy wrote: >> DBAN is obsolete. NIST 800-88 for some time now says to use secure erase >> or >> enhanced security erase or crypto erase if supported. >> >> Other options do not erase data in remapped sectors. > > the only truly safe way to destroy data on magnetic media is to grind > the media up into filings or melt it down in a furnace. > Well, no. DeGaussing works, also. Plus, with current storage techniques, I've heard that one pass of whatever will make it unreadable. That was why I jokingly referred to DoD 5220.22-M as overkill, since it does 7 passes. mark