7/7/2023 0 Comments Dod erase hard drive![]() Pass 3: Writes a random character and checks it.Pass 2: Writes a one and double-checks the write. ![]() Pass 1: Writes a zero and validates it.The following passes are included in the DoD 5220.22-M data erase method: Despite this, the three-pass approach remains the usual implementation. It performs DoD 5220.22-M twice, with a third pass (DoD 5220.22-M (C) Standard) in between. DoD 5220.22-M ECE method, a 7-pass variant of the standard, was issued in 2001. ![]() The Department of Defense 5220.22-M employs three overwrite passes (0s, 1s, and Random), as well as a 100 percent verification pass.
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