> > When you zero out the data it can take quite a while. Several passes > > takes hours for most hard drives. I was wondering if it helps the > > security aspect to change the partitioning scheme in Disk Utility. One > > could partition in Guid then Apple Partition Map then MBR in less than a > > minute. But does it make any difference in the ability for others to > > extract data off the hard drive? If not, is there another way of > > quickly making a hard drive difficult to read without zeroing out data? > > No. Forensic techniques don't rely, or even need, partition data. If > you want a fast way to securely delete all the data on the drive, > dismantle it and destroy the platters.
I should have added that I'm selling the drives......:) So the sledgehammer/orbital sander/plier solutions may not work out so well.
So is there any faster way of making the data unreadable to average people other than overwriting with zeros?
