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I could not find any loss of performance due to the activation.

The FileVault encryption implemented by Apple offers a high level of security against data theft.

Now you have to unlock the lock at the bottom left (with an admin password) and then activate FileVault. There you will find a tab "FileVault" at the top, which you can click on. Open the system settings and select "Security" there. Since this is certainly also interesting for other readers, here are the brief instructions: Update: Activate FileVault on the MacĪ reader just asked me by email, where you can activate FileVault hard disk encryption on your Mac. If necessary, you can ensure more protection and security when commissioning an SSD drive by activating FileVault encryption. Secure erase options are not provided in Disk Utility for a solid-state drive (SSD). Due to the different way in which chip memories work, such as an SSD hard disk, such a hard disk should be processed with the hard disk service program, so the option for multiple overwriting is not available. HDD storage with magnetic storage disks). This contains, among other things, information on multiple overwriting of the hard drive which is to be formatted - as well as the information that this option is only available for magnetic media (i.e. Sir Apfelot recommendation: Clean up your Mac hard drive with CleanMyMac Multiple overwrite only applies to magnetic mediaĪpple offers for deleting and formatting a storage medium on or in the Mac computer a comprehensive guide at.

TL DR: The app solution presented at the end is the BitRaser File Eraser from Stellar In this guide, I'll show you how you can still clean up the Mac memory so that no restoration is possible from the remnants of data. The same is due to the fact that a "Solid State Drive" (SSD) works differently than a "Hard Disk Drive" (HDD). The background was that the hard disk utility under macOS no longer offers the option of writing zeros to the hard disk 7 times in order to eliminate possible residual data. How to safely erase an SSD on a Mac without data being able to be restored, that is what a reader wanted to know from me recently.