Defined term

Clear

Clear: A method of sanitization that applies logical techniques to sanitize data in all user- addressable storage locations for protection against simple…

Verified
📚 Multi-Source
Infrastructure

Definition

A method of sanitization that applies logical techniques to sanitize data in all user- addressable storage locations for protection against simple non-invasive data recover y techniques; typically applied through the standard Read and Write commands to the storage device, such as by rewriting with a new value or using a menu option to reset the device to the factory state (where rewriting is not supported).

Alternative Definitions

Definition 2

To use software or hardware products to overwrite storage space on the media with nonsensitive data. This process may include overwriting not only the logical storage location of a file(s) (e.g., file allocation table) but also may include all addressable locations. See comments on Clear/Purge Convergence. (SP 800-88) (NISTIR)

Source: The Cyber GlossaryType: external

Sources

1
Committee on National Security Systems Glossary CNSSI 4009-2015
View Source
2
The Cyber Glossary
View Source

Continue Research

Browse the full glossary for adjacent terms, or subscribe for updates when definitions and sources are expanded.