![]() Seven passes is going to take a long time, and even three passes will take at least an hour, so only use these options if you’re really, really paranoid. The Pentagon is even more paranoid: they use seven passes. But three passes is what the US Department of Energy uses to securely delete their files. Apple secure delete install#To install Secure Delete - File Shredder on your Windows PC or Mac computer, you will need to download and install the. Apple secure delete how to#0 is a single-pass run of zeroes 1 is a single-pass run of random numbers 2 is a 7-pass erase 3 is a 35-pass erase and 4 is a 3. How to download and install Secure Delete - File Shredder on your PC and Mac. You’ll need to change VALUE to a number between 0 and 4. That tells your Mac to securely erase the free space on your SSD. Boot into recovery mode once more and erase the drive. From a Terminal command line, type: diskutil secureErase freespace VALUE /Volumes/DRIVE. (Shouldn't take as long to encrypt since there's very little data) 4. ![]() ![]() Reinstall OS and then turn on Filevault with a different password. RELATED: You Only Need to Wipe a Disk Once to Securely Erase ItĪs we’ve discussed before, you probably only need one pass, at least with modern hard drives. After the drive is encrypted, boot into recovery mode and erase the drive. The first notch to the right of “Fastest” writes over the entire drive with random data once the third notch, three times. That’s not what we want, so let’s move the slider. The first option, “Fastest,” will delete the partition but leave all files untouched. You’ll see a sliding scale with four options: If your Mac has an Apple-installed or third-party SSD, you can’t use Secure Erase, nor do you necessarily need it, as Apple explains in a support document. Click the “Security Options” button on the bottom. Make sure you click the drive you want to securely delete: you do not want to erase some other hard drive by mistake! When you’re ready, click the “Erase” button. Apple may provide or recommend responses as a possible solution based on the information provided every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the. Connect the drive you want to securely delete, then click it in the sidebar. This site contains user submitted content, comments and opinions and is for informational purposes only.
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