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AFSSI-5020 Standard

Three pass overwrite data

Basic "delete" operations only remove bits of information from files, so they just appear deleted, and even overwritten data can be recovered using sophisticated tools, like magnetic force microscopes.

The only way to protect your company and yourself from data or identity theft is to shred sensitive documents and files with a high security tool that is capable of rewriting the files with random series of binary data multiple times.

AFSSI-5020 is the USAF Cryptologic Support Center purging standard from 1996. It writes series of three patterns over the entire region to be erased. This option provides very good data security by optimal performance.

 

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Overwrite patterns chart

AFSSI-5020 Standard
(
3 pass overwrite data )
Pass
Data written
Binary notation Hexadecimal notation
1 00000000 0x00
2 11111111 0xFF
3 Random Random
« Start Previous 1 2 3 4 5 Next End »
(Page 5 of 5)
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