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NAVSO-P5239-26


NAVSO-P5239-26 is the (U.S. Navy Staff Office's version of the DOD 5220.22-M purging standard.

Variants include the US Navy standards

NAVSO P-5239-26 for MFM encoded drives. This deletion method first writes the fixed value (0xffffffff) to the target data area, then the fixed value (0xbfffffff), and then random values. Finally, the target data area is read to verify the overwrites.

NAVSO P-5239-26 for RLL encoded drives. This deletion method first writes the fixed value (0xffffffff) to the target data area, then the fixed value (0x27ffffff), and then random values. Finally, the target data area is read to verify the overwrites.




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Read my article "7 New Features That Enhance Security In SharePoint" published in the Janurary issue of TechNet magazine Read Now

 Steps To SharePoint Security

Implement Internal SharePoint Security Model

Harden Your Environment With Tools and Policies

Monitor and Supervise With Server Utilities

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 Example Attack on SharePoint With Chunked Encodes and Overflow

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