The Cognizant Security Authority (CSA) is responsible for data sanitization standards. Note: The NISPOM does not define any US government standard for data sanitization. , RCMP TSSIT OPS-II, CSEC ITSG-06, Write Zero, Random Data and Schneier. ![]() Most data destruction programs support multiple data sanitization methods in addition to DoD 5220.22-M, like Secure Erase Sanitization methods used in data destruction software. ![]() The DoD 5220.22-M sanitization method was originally defined by the US National Industrial Security Program (NISP) in the National Industrial Security Program Operating Manual (NISPOM), located below, and is one of the most common While lessĬommon, there's another altered version of DoD 5220.22-M that writes a 97 during the last pass instead of a random character. Each will probably use a character and its compliment (as in 1 and 0) and varying frequencies of verifications. You might also come across various iterations of DoD 5220.22-M including DoD 5220.22-M (E), DoD 5220.22-M (ECE), or others. Pass 3: Writes a random character and verifies the write Pass 2: Writes a one and verifies the write Pass 1: Writes a zero and verifies the write The DoD 5220.22-M data sanitization method is usually implemented in the following way: Incorrectly referenced as DoD 5220.2-M (.2-M instead of. Erasing a hard drive using theĭoD 5220.22-M data sanitization method will prevent all software based file recovery methods from lifting information from the drive and should also prevent most if not all hardware based recovery methods. ![]() DoD 5220.22-M is a software based data sanitization method used in various file shredder and data destruction programs to overwrite existing information on a hard drive or other storage device.
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