Darik's Boot and Nuke toolDarik's Boot And Nuke (DBAN) is one of the most popular tools that can be used to wipe a hard drive of all contents. For drives that have contained sensitive data, this is a critical step if the drive is to be sold, returned, or otherwise leaves your possession.
DBAN is a free tool and is distributed as a CD-ROM .ISO image. Download the .ISO image from the DBAN website and write it to an optical disk.
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Selena has been at TechRepublic since 2002. She is currently a Senior Editor with a background in technical writing, editing, and research. She edits Data Center, Linux and Open Source, Apple in the Enterprise, The Enterprise Cloud, Web Designer, and IT Security blogs.