For example, a program might allow data to be overwritten with zeros during the first pass, ones in the second pass, and then random characters for eight more passes. Most data destruction programs also allow you to customize your own data cleaning method with any overwrite pattern and as many passes as you want. NCSC-TG-025 (us Department of security).DoD 5220.22-M (US Department of defense).Here are some popular data cleaning methods used by data destruction programs: As a rule, the term “data cleaning” refers to software methods of information removal.
Technically, there are other methods of destroying data that are not based on overwriting sectors 12 to media, such as destroying media in shredders, demagnetizing hard drives, or burning hard drives and SSDS. Method of cleaning data is a special method by which a data destruction program or file shredder to overwrite the data on the hard disk or other storage device to the stored data securely destroyed without possibility of recovery. Comparison of Secure Erase and other data removal methods in government agencies
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