ALEXANDRIA, Va., July 23 -- United States Patent no. 12,367,314, issued on July 22, was assigned to Amazon Technologies Inc. (Seattle).

"Dynamic database redaction using protected secret material" was invented by Dmytro Bogatov (Boston), Kiran Kumar Chinta (Fremont, Calif.), Todd Jeffrey Green (Davis, Calif.), Yanzhu Ji (Sunnyvale, Calif.), James Claiborne Moore (Boston), Gaurav Saxena (Cupertino, Calif.) and Abhishek Rai Sharma (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for dynamic database redaction using protected encryption secret material are described. A masking policy is defined that includes a reference to a secret material stored by a secrets manager service. The ma...