![]() ![]() DoD 5220.22-m is a software based data sanitization method used in various file shredder and data destruction programs. ![]() This is known as a DOD 5220.22-m Erasure for data residing on hard drives and solid-state drives (SSD). Overwriting sanitizing is the removal of sensitive data from a system or storage device with the intent that the data cannot be reconstructed by any known technique. ![]() DOD 5220.22-M 3 Pass Overwrite Methodology But researchers found many of the implementations were flawed. Since the manufacturer has “full knowledge” of the drive’s design, these techniques should be reliable. This is most likely the ATA Secure Erase Command, the DOD 5220.22-M 3 pass sanitization method, or some support Secure Erasure Command otherwise known as the Crypto Erase Command. These instruct on-board firmware to run a sanitization standard protocol to remove all data. Most modern SSDs and HDD’s have built-in commands. ![]()
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