Secure erase options are available only for some types of storage devices. For the life of me, I cant get these to work. As in, 'srm -zsv /path/to/file' or 'srm -rmv /path/to/folder'. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. It seems to be well understood that with the demise of secure deletion in the El Capitan user interface, one can do it by command line. If you have an old version of OS X, such as Yosemite and older, and a Mac with a mechanical disk drive, you can. If the Scheme pop-up menu isn’t available, make sure you selected the storage device you want to erase-it’s at the top of the hierarchy.Ĭlick the Format pop-up menu, then choose a file system format. Securely erase files on mechanical disks. Ĭlick the Scheme pop-up menu, then choose GUID Partition Map.
From the utilities window, select Disk Utility and click.
#HOW TO DO SECURE DELETE ON MAC PASSWORD#
If asked, select a user you know the password for, then enter their administrator password. In the sidebar, select the storage device you want to erase, then click the Erase button. Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command () and R. If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder. Note: If you want to get your Mac ready to trade in, sell, or give away, and your computer is a Mac with Apple silicon or an Intel-based Mac with an Apple T2 Security Chip, use Erase Assistant.
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