Hard drive destruction 'crucial'

**The News Bot** · 08-01-2009, 11:50 AM

The only way to stop fraudsters stealing information from old hard drives is by destroying them completely, a study finds.
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Chester · 09-01-2009, 11:58 PM

Mac OS X: How to zero all data on a disk

Whilst using Disk Utility, the Secure Erase Options has an entry '7-Pass Erase'...

This option takes 7 times longer than "Zero Out Data" and meets the US Department of Defense (DOD) 5220-22 M standard for securely erasing magnetic media. It erases the information used to access your files and writes over the data 7 times..

If that's good enough for the DOD, it's good enough for me! Maybe not for Which? magazine though