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Data remanence is the residual representation of digital data that remains even after attempts have been made to remove or erase the data. This residue may result from data being left intact by a nominal file deletion operation, by reformatting of storage media that does not remove data previously written to the media, or through physical properties of the storage media that allow previously ...
Many government and industry standards exist for software-based overwriting that removes the data. A key factor in meeting these standards is the number of times the data is overwritten. Also, some standards require a method to verify that all the data have been removed from the entire hard drive and to view the overwrite pattern.
On June 26, 2021, a basic Google search for “data lost due to non-sanitization” returned over 20 million results. These included articles on; data breaches and the loss of business, military secrets and proprietary data losses, PHI (Protected Health Information), [ 7 ] PII (Personally Identifiable Information), [ 8 ] and many articles on ...
File segmentation, also called related-file fragmentation, or application-level (file) fragmentation, refers to the lack of locality of reference (within the storing medium) between related files. Unlike the previous two types of fragmentation, file scattering is a much more vague concept, as it heavily depends on the access pattern of specific ...
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In software engineering and computer science, clobbering a file, processor register or a region of computer memory is the process of overwriting its contents completely, whether intentionally or unintentionally, or to indicate that such an action will likely occur. [1] The Jargon File defines clobbering as
Source deduplication ensures that data on the data source is deduplicated. This generally takes place directly within a file system. The file system will periodically scan new files creating hashes and compare them to hashes of existing files. When files with same hashes are found then the file copy is removed and the new file points to the old ...
Organizations possessing digital archives should perform assessments of their records in order to identify file corruption and reduce the risks associated with file format obsolescence. Such assessments can be accomplished through internal file format action plans, which list digital file types in an archive's holdings and assess the actions ...