Zeroization

A method of erasing electronically stored data, cryptographic keys, and CSPs by altering or deleting the contents of the data storage to prevent recovery of the data.
SOURCE: FIPS 140-2

A method of erasing electronically stored data, cryptographic keys, and Credentials Service Providers (CSPs) by altering or deleting the contents of the data storage to prevent recovery of the data.
SOURCE: CNSSI-4009