Yvonne works for a discount store that sells items only online. She is putting together a report and needs information pertaining to consumer trends and credit card usage. These data are highly confidential, and Yvonne is required to scan her thumbprint to prove her identity. To further protect the information, it is stored in secret code, and she must use a key to decode the data. Yvonne providing her thumbprint as proof of identification is an example of , while her need to use a key to decode the confidential data is indicative of the company’s use of _______.