In the 1990s, the early days of data destruction, as people look for secure ways to permanently erase data from hard drives, overwriting was indeed considered. The Defense Security manual specifically disavowed overwriting as an acceptable method of sanitation for magnetic media in the June 2007 edition of DSS Clearing and Sanitization Matrix (C&SM). It claims that the NISP Operating Manual (DoD 5220.22-M) advocates overwriting hard disk drives as a secure method of media sanitation. It’s been replaced by modern standards like the NSA/CSS policy manual 9-12 storage device sanitization and destruction manual.īut like the urban legend of the alligators in the New York sewer system, the data wiping myth persists. Wiping standards have been debunked by the DoD.
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