When OS X saves a copy of a file, it doesn’t write that file to the same part of the disk. This issue was addressed by removing the “Secure Empty Trash” option. Impact: The “Secure Empty Trash” feature may not securely delete files placed in the Trashĭescription: An issue existed in guaranteeing secure deletion of Trash files on some systems, such as those with flash storage.
As the company says in its notes for security fixes:Īvailable for: Mac OS X v10.6.8 and later Unfortunately, when OS X El Capitan was released, Apple removed the Secure Empty Trash feature due to a vulnerability identifid as CVE-2015-5901. What this did was overwrite the files with zeroes, making it much harder - nearly impossible, in fact - to recover the files.
Previous versions of OS X used to have a Secure Empty Trash feature, which would securely delete the contents of the Trash. Apple + How To + Recommended How to Securely Empty Trash in OS X El Capitan
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