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Information Security Office

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Data Destruction

It is IRT’s responsibility to erase or destroy any data stored in computers and various media that are removed from service.  This procedure addresses the methods that should be used to ensure the systems are free of data once they are removed from operation.  Utilize DBAN to erase all hard drives on the PC.  This is to prevent any sensitive information from being recovered from the system.  This is also to comply with licensing agreements.

See the current draft of the disposition of protected data  standards.

  1. Scope

    1. This standard operating procedure applies when a computer is donated, sent for recycling, or will be transferred to a new user.

  2. Responsibilities

    1. The Hardware and Software Support Group is responsible for enforcing and ensuring that this process is being followed for all the systems under IRT support.

    2. The office of the Information Security and Policy is responsible for approving this process.

  3. Definitions

    1. DBAN - is a self-contained boot disk that securely wipes the hard disks, floppies, and flash drives of most computers 

  4. Procedure

  5. The following processes must be followed if any PC, internal or external hard drive, USB flash drive, and other media is disposed of, recycled, or donated.

  6. Disk Wipe or Destruction

    1. Refer to the website at http://dban.sourceforge.net/ for download and installation instructions.  The software can be run from a CD, floppy, or USB drive.  Only a single pass disk wipe is required.

    2. Boot from CD, flash, or floppy (see screen shot

Dban1

At the prompt “boot:” type “quick erase “ and press enter

To ensure successful completion, make sure the program ends without errors (see screen shot)

Dban2

Once the media is clean, attach a red sticker to identify the item as clean.

DBAN web site: http://dban.sourceforge.net