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Jul 16, 2013 My macbook pro is encrypted. I have recently had some software issues so I tried to factory restore using all of the various keyboard commands when powering the computer on (i.e. Option +power, Option + Command + P + R, holding c, holding d, and so on). However, upon doing so, the only hard drive that will appear is the Macintosh HD. Sep 11, 2018 FileVault is macOS’s built-in disk encryption feature. It's designed to encrypt your Mac's hard drive and all of the files located on the drive using 128-bit AES encryption with a 256-bit key. Once FileVault is enabled on your Mac, all existing data will be encrypted.
Summary
There are two types of computer system, they are Windows and Mac OS. You probably know the methods to encrypt USB devices in Windows. But how to encrypt a USB drive in Mac OS? Find the detailed steps in this article.Content
As a removable storage device, there are certainly important files insides. However, files in the USB drive can be pirated, copied or lost. In order to avoid this kind of problem, it is necessary to encrypt the USB disks.
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Disk Utility User Guide
When you format an internal or external storage device, you can encrypt and protect it with a password. If you encrypt an internal device, you must enter a password to access the device and its information. If you encrypt an external device, you must enter the password when you connect the device to your computer.
Important: If you encrypt an external storage device, you can’t connect it to an AirPort base station for Time Machine backups.
To encrypt and protect the device with a password using Disk Utility, you must erase the device first. If the device contains files you want to save, be sure to copy them to another storage device or volume.
- If the device contains any files you want to save, copy them to another storage device or volume.
- In the Disk Utility app on your Mac, choose View > Show All Devices.
- In the sidebar, select the storage device you want to encrypt.
- Click the Erase button in the toolbar.
- Enter a name for the volume.
- Click the Scheme pop-up menu, then choose GUID Partition Map.
- Click the Format pop-up menu, then choose an encrypted file system format.
- Enter and verify a password, then click Choose.To change the password later, select the volume in the sidebar, then choose File > Change Password.
- (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK.Secure erase options are available only for some types of storage devices. If the Security Options button is not available, you can’t use Disk Utility to perform a secure erase on the storage device.Writing over the data three times meets the U.S. Department of Energy standard for securely erasing magnetic media. Writing over the data seven times meets the U.S. Department of Defense 5220-22-M standard.
- Click Erase, then click Done.
You can encrypt your data without erasing it by turning on FileVault in the Security & Privacy pane of System Preferences (see Encrypt Mac data with FileVault).
You can also encrypt a disk and protect it with a password without erasing it. See Encrypt disks or memory cards to protect your Mac information.
Hard Drive Encryption Hardware
See alsoErase and reformat a storage device in Disk Utility on MacPartition a physical disk in Disk Utility on Mac