![]() ![]() ![]() Destroy – Disintegrate, incinerate, pulverize, shred, or melt.Perform 11 above, but increase time by a factor of three.Perform an ultraviolet erase according to manufacturer’s recommendation.Perform 9 above, then 3 above, a total of three times.Perform a full chip erase as per manufacturer’s data sheets.For data sanitization on hard drives, the DoD overwrite pattern would render all the data on a hard drive unrecoverable by software and hardware based attacks. These methods of data eradication were adopted and used for the following decade. See corresponding numbers below the following chart for the required process. The US Department of Defense 5220.22-M also addressed eradicating data from other media devices. Pass 3: Overwrite all addressable locations with a random bit pattern.Pass 2: Overwrite all addressable locations with binary ones (the compliment of the above).Pass 1: Overwrite all addressable locations with binary zeroes.The DoD 5220.22-M data sanitization method is implemented with the following overwrite pattern: The DoD standard specifically lays out how a hard drive should be overwritten with ones and zeroes. It also addressed the destruction of data in tapes and other media. The DoD 5220.22-M policy was first published in the National Industrial Security Program’s Operating Manual in 1995 to address data erasure in hard drives. As new data storage technologies emerged, as we will discuss later, the DoD 5220.22-M standard became outdated and is no longer recommended by the DoD or other certification organizations. This standard was incorporated in data erasure tools and became the pattern of choice for over a decade. Since this standard was one of the earliest, it became the ad hoc requirement for corporations, ITADs and data sanitization providers. ![]() #DISK WIPE SOFTWARE DOD 5220.22 HOW TO#The DoD 5220.22-M data erasure standard was one of the earliest requirements for US military personnel on how to address data storage devices. ![]()
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