![]() WipeDrive 8.2 attempts to do a purge-level wipe if the media supports it, and a clear-level wipe if a purge isn’t supported by the media. The selected command must wipe all user data from the device. This level of media sanitization requires firmware-based wiping methodologies, like built-in “block erase” commands. PURGE: Makes data inaccessible through any means, including “sophisticated laboratory techniques”. This typically involves overwriting all user-accessible sectors of the media with a known pattern, like all zeros. The NIST SP 800-88 Revision 1 document describes varying levels of media sanitization:ĬLEAR: Makes data inaccessible through a drive’s interface with an operating system. WipeDrive 8.2 adds support for the “NIST 800-88r1 purge/clear” wipe pattern that meets these guidelines. First published in 2006, the NIST SP 800-88 document was updated in 2014 to include information for sanitizing newer types of media, including SSD, NVMe and other drives. The NIST “Special Publication 800-88 Revision 1” document contains the latest guidelines for media sanitization.
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