Most Useful Method To Protect Confidentiality – Wipe Disc

| Total Words: 534

Disc wiping is a useful method of maintaining confidentiality because deleted files are not often deleted from the hard disk. High security installations like government and security institutions have specific protocol for file deletion. The United states Department of Defense has specified that a file must be overwritten three times. The newer operating systems such as Windows XP and Mac OS X use a journaling file system that renders complete erasure of files almost impossible. Journaling file systems keeps a log in which the changes to a journal is updated before writing it to the main file system. This reduces the chance of a file becoming corrupt in the event of a power failure. The system accomplishes this task by keeping metadata in various locations in the disc. These metadata are rarely wiped out with a standard file shredder. The task is made harder by fact that these systems often use I/O commands to continuously ferry the data from one location to another. It’s these power enhancing features of the file systems that requires the need to bring in more powerful disc wipes. However, to use a disc wipe one must store the data on a temporary partition by using any...

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