Security, Data, Disk, and Device Disposal FAQ
Data, Disk, and Storage Device Disposal FAQ
For storage media disposal requirements, see University IT Security Standard IT15-Storage Media Security, at https://go.illinois.edu/secstd-IT15
Q. What do you mean by "scrub" or "overwrite"?
A. Scrubbing or overwriting means writing over each bit on the drive with random ones and zeroes. Since techniques exist for recovering data even from drives that have been "erased" or reformatted, the Department of Defense has recommended that drives be overwritten; drives containing high risk information are never recycled but physically destroyed.
Q. Can I just RMA or throw away a digital
A. No. The device must be scrubbed before it is
released or discarded.
Q. What if the device to be RMA'd or discarded
A. All broken storage devices with University
data are required to be degaussed or destroyed
before they are released.
Q. How do I scrub or overwrite a disk?
||Apple Disk Utility Secure Erase||
(manual, admin CLI)
* (assumes device to be overwritten is
"dev/sda", change output device
name to match your desired output
device to be overwritten)
boot Linux LiveCD and run, as the root user "dd if=/dev/zero of=/dev/sda"
Q. What needs to be done before sending a machine to surplus?
A. See the OBFS page on how to Dispose of Unneeded Equipment .
Q. Can you show me where to get disk disposal labels?
A. Yes. You can make your own labels to place on the surplus/scrapped machine by downloading the following file and printing it onto Avery label paper.