data remanence


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data remanence

The retention of erased data on a magnetic medium. Sensitive detection systems can pick up the residue (remnants) from previously recorded data even though the area has been rewritten. This is not a simple procedure; however, it is employed if the missing information is related to national defense or some other critical situation. See secure delete and computer forensics.
References in periodicals archive ?
For instance, BCWipe can permanently delete files, including wipe free space and data remanence, to regularly clear out the cyber clutter.
com/products/personal-privacy/bcwipe), a solution to wipe files and folders, removing all traces of unwanted files and keeping computers free of data remanence.