You also have to take into account that overwriting a hard disk is quite time consuming. This Wikipedia article claims that ATA disk drives manufactured after 2001 (over 15 GB) can be effectively cleared by one overwrite. If not, the one pass method of the free version of Kill Disk is most likely sufficient.

From the DOS menu, choose the desired item (e.g., reviewing the data contained on the hard disk, deleting data contained on a specific partition or deleting all data on the hard KillDisk allows you to specify various levels of disk cleaning (e.g., cleaning to established Department of Defense standards for the protection of critical data).įor directions on using the KillDisk, see Hard Drive Eraser Modes of Operations.The question is whether the hard disks on your PCs contain data that could endanger national security if the wrong person gets access to it.Boot the machine to be erased from the removable disk into a DOS environment.For instructions on how to create a bootable disk, see Data Removal. Copy the self-extracting zipped bundle to a removal disk.If your local IT does not have a copy, they will need to request it from the Software Licensing Management office. Contact your local IT department to request a copy.

KillDisk is a configurable disk cleaning utility designed to permanently remove data stored on university-owned computer hard drives. This software will work regardless of the operating system installed on the machine (Windows, Linux, etc.). When used properly, KillDisk will remove all data on a hard disk without the possibility of future recovery. NC State University has purchased an enterprise license for KillDisk Professional.

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