ENCRYPT EXTERNAL USB DRIVE FOR MAC PASSWORD
This will present you with a password prompt, and then convert the volume to a corestorage device and apply encryption to it. The first is to right-click it in the Finder and choose the option to Encrypt "Volume name" from the contextual menu. When the disk is partitioned, you can then encrypt the desired partition in two ways.
Right-click the desired volume to encrypt it.
Finally name each partition (shown here as "Encrypted" and "Unencrypted") and click the Apply button. Next, click the Options button and set the partition scheme to "GUID.". Then click the Partition tab and choose "2 Partitions" from the drop-down menu. Open Disk Utility and select the drive device. First connect your thumbdrive or other storage drive to your Mac, and then follow these steps: While this sounds complex, it is relatively simple to set up. The second option is to take advantage of Apple's CoreStorage technology in OS X to set the drive up with two partitions, one that is encrypted and one that is left open. To set up your drive's partitions, choose "2 partitions" from the menu and then set the partition scheme to GUID with the Options button. When finished, this approach will require you to open the disk image each time to mount the drive it contains. Facebook Messenger adds end-to-end encryption to voice and video calls. Facebook Messenger adds more features, continues focus on encryption. WhatsApp adds option of encrypted message backups. If you want this image to dynamically resize based on the files you add to it, then make it a "Sparse" or "Sparse Bundle" disk image format, and set the Partitions setting to "No partition map." Doing this will start the image off at only a few megabytes in size, and this will increase as you add items to it until the image reaches the maximum size you set when creating it. To do this, simply choose New > Blank Disk Image from the File menu and then set the size of the image (this will be the maximum size the image can hold) and the encryption level in the window that appears. 
The first is to set the drive up with a single partition, but then use Disk Utility to create an encrypted disk image to contain your sensitive files on the drive. Select the sizing and encryption options from these settings when creating the disk image.Īlternatively, you can set up such drives to serve both as an encrypted volume as well as one that can be accessed for everyday work, so when you share it with others you can keep your files secured. Therefore, if you want to use the drive to transfer files to another system, you will have to authenticate on the new system, after which you may have to monitor its use, since the drive will be unlocked. While it might be easiest to encrypt an entire drive, sometimes doing so may be a touch inconvenient, especially if the drive is used for more than one purpose.įor instance, if you keep sensitive files on your drive, you may wish to keep it encrypted however, this prevents you from sharing the drive with others. Encrypting data is a convenient method for keeping your data secure, especially when using external hard drives and thumbdrives that may be stolen or lost.
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