With this guide, we learn how to delete sensitive data on our rewritable discs. Unfortunately, there is no application on a Mac or a direct action that allows this, but in a few steps we can overcome this obstacle.
Apple has added a procedure perhaps less immediate than other operating systems, but effective nonetheless.
1.) To get started: First, insert the disk containing the data in the reader of our Mac makes a copy for the security of all data to a folder on your desktop or by possibly creating an ISO image on your computer. Once you have created the backup, open the Disk Utility application, found in the Utilities folder in the Applications section. At this point, you will open a window with all the options.
2.) Erase the disk: At this point, selecting the Delete tab, appear all the options that interest us. We can select the format in which we are going to format the disk, the volume name, and so on. For a quick erase, simply select the option at the bottom of the list and click the Delete button. At this point, we await the end of the process and dragging the disc icon to the Trash. We remove it from our Mac.
3.) Alternatives: If these operations were to become second pesky, I remember that on the Internet, there are many free programs that can do this and many other operations on our discs in just a few steps. For example, the most popular application in this regard is Burn, recoverable by Google, which also lets you create data discs, DVD, CD audio, and so on. This program is very useful because it is fully integrated with the system, greatly speeding things ..