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#WIPE MAC HARD DRIVE FOR DISK IMAGE MAC OS X#
#WIPE MAC HARD DRIVE FOR DISK IMAGE PASSWORD#

To ensure that the data is completely removed, follow this "Secure Erase" procedure: Normal "trashing" of these files can leave copies that are still accessible outside of encryption. Once files have been copied to the encrypted area, you want to delete the original copy that is unencrypted. *NOTE* When moving data into the encrypted disk image, it is important to be aware of the original unencrypted documents. IDrive offers cross-platform compatibility which means a drive / system image created on a PC can be accessed from Mac and Linux. It is good practice to unmount the image when it is not in use so that even if someone gains access to your computer, they will not immediately have access to your sensitive files. It only needs to be mounted when you need to use the secure files. Your encrypted disk image is now ready to be used.

#WIPE MAC HARD DRIVE FOR DISK IMAGE PASSWORD#

You have the option of remembering the password in your keychain, but for the highest security you should NOT choose this. This is the password used to access your sensitive data so make sure it is a strong password.

Next you will be prompted to enter a password.The former will create an image that is the size you specify at all times, while the latter will only be as large as the data that is in it and will "grow" when more data is added. In the "Image Format" drop down menu, choose either "read/write disk image" or "sparse image".

#WIPE MAC HARD DRIVE FOR DISK IMAGE MAC OS X#

In Mac OS X 10.5 (Leopard) you will also be able to select 256-bit AES encryption, which is slower but more secure than 128-bit. In the "Encryption" drop down menu, select "AES-128 (recommended)".Leave "Volume Format" as Mac OS Extended (Journaled).Select a predefined size or select "Custom" and enter your own size. Select the size of the disk image in the "Volume Size" drop down menu.

Under "Volume Name", type in the name of the image that will appear in the drive list once it is mounted.

By following the above-listed techniques, you would be able to overcome the Disk Utility erase process has failed issue.

Use the dropdown next to "Where" to choose where to save the image file. Part 3: A Complete Process to Erase Hard Drive on Mac.

Under "Save As", type in the name you want for the image file.

Start Disk Utility (Applications > Utilities folder).

Follow these steps to create your own encrypted disk image. Disk images are very common on Macs, especially when distributing software, but they can also be used as a container to store sensitive data. Once mounted, they appear like a USB key or other external drive would. your Mac to factory-fresh condition from a CD-ROM or disk-image file. dmg file extension and are "mountable" by double-clicking on them. If youre having problems with your hard drive or need to make changes to it, Disk. Instructions For Setting Up An Encrypted Disk ImageĪ disk image is a file on your Mac?s hard drive that acts like a disk that you can read/write to.