Departments are responsible to ensure that data and software that reside on any computer, non-computer devices, disk or data storage medium is wiped clean prior to transfer or disposal.
Reason for Disk Wiping
It is necessary to wipe any media clean before disposing of it. This includes the hard drive in computers as well as floppies, zip disks, tapes, CD's, etc.. Servers and RAID arrays need special attention and may need to be done as individual hard drives. A simple delete, erase, re-format or even the fdisk command for Windows is not sufficient because there are many products which will bring back the data and software.
Free disk eraser: