Apply a magnetic field to permanently remove data from a magnetic storage medium, such as a tape or disk [NCS25]. (Compare: erase, purge, sanitize.)
Apply a magnetic field to permanently remove data from a magnetic storage medium, such as a tape or disk [NCS25]. (Compare: erase, purge, sanitize.)
Reduce magnetic flux density to zero by applying a reversing magnetic field. (See: magnetic remanence.)