Tuesday, October 19, 2021

Secure MAC Hard Drive Erase

It was time to get rid of a ten-year-old external hard drive that I used for backups.  To make sure all the data was erased, mainly to protect things like passwords and credit card numbers, I explored the options available to me on my Mac Mini.  The Disk Utility has several levels that can be used to wipe the data, so I elected to use the most secure, a seven-pass erase that writes random data seven times, just like the ultra-paranoid Pentagon would do.  It took over a day to complete, but what the heck, the Mac didn't really have all the much to do anyway.  You can explore options at the link below.


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