![]() ![]() The erasure method specifies overwriting the hard drive with three overwriting passes and verification at the end of the final pass. In our series of articles, we have already defined the DoD Erasure algorithm as DoD 5220.22 M, a standard published for the first time in the National Industrial Security Program Operating Manual (NISPOM) by the US Department of Defense (DoD) in the year 1995. What is the DoD Standard for Data Erasure? We will discuss this in detail in the upcoming sections. ![]() The DoD standard was introduced way back in 1995, whereas NIST is a more recent one introduced in 2006, revised in 2014, and accounts for more recent technological advancements that DoD lacks. The former is a standard formulated by the National Institute for Standards and Technology (NIST), and the latter is propounded by the US Department of Defense (DOD). While there are several global erasure standards and algorithms that define the overwriting process, the two most widely used data erasure standards are NIST 800-88 and DoD 3 & 7 Pass, respectively. These wiping programs are based on overwriting technology that overwrites the existing data with 0s and 1s to make it irretrievable. With rapid technological evolution, today professional data wiping software have made it possible for businesses to seamlessly wipe their end-of-life data beyond the scope of recovery, rendering the device usable. Emerging data protection laws across the globe are reinforcing the right of customers over their sensitive information, and businesses need to adopt robust data protection and data destruction policies to prevent leakage or unauthorized access. At a time when cases of data breach are rising, every organization is required to maintain data security and has a legal obligation to ensure that the sensitive customer information is permanently disposed of when it is no longer in use or when the IT assets reach their end of life. ![]()
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