(Using the Security Options to sanitize a volume may be a thing of the past.)
The first change, leading to less reliance on the various secure wipe options, has been the proliferation of SSDs, both as original equipment provided by Apple and by resellers, such as OWC, which bring higher performance storage systems to the Mac. Two recent changes have made the traditional secure wipe, performed by overwriting a volume multiple times with various types of data patterns, largely a thing of the past. Even though the default for Disk Utility is a simple erase, a secure wipe was just a few clicks away. Securely wiping a drive, removing all of its data, and ensuring that no meaningful information can be recovered, has long been a feature of Disk Utility and its erase function.
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