ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,497, issued on June 17, was assigned to Capital One Services LLC (McLean, Va.).

"Searchable index encryption" was invented by Dinesh Sundaram (Plano, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Auditing data containing sensitive data are stored in a data structure comprising data objects. Each data object comprises one or more pairs of a name and a value. Pairs that are flagged or identified as containing sensitive data are partially encrypted; the value is encrypted using an asymmetric key and the name corresponding to the encrypted value remains unencrypted. Some pairs that are not flagged or identified as containing sensitive data are le...