![]() ![]() Department of Defense (DoD) in the National Industrial Security Program Operating Manual (also known as “NISPOM,” or Department of Defense document #5220.22-M), it specified a process of overwriting hard disk drives (HDDs) with patterns of ones and zeros. The DoD 5220.22-M method for data erasure first appeared in the early days of the data sanitization industry. At a minimum, such applications will prevent the data from being retrieved through standard data recovery methods. ![]() The DoD “standard” and others like it take overwriting a step further with prescribed random overwriting methods. To effectively erase previously stored data, the simplest techniques overwrite hard disk drive storage areas with the same data everywhere-often using a pattern of all zeros. But what does this “standard” mean for enterprises, government entities, ITADs, and data sanitization solution providers? The “DoD standard,” referring to DoD 5220.22-M, is a term often used in the data sanitization industry. ![]()
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