ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,449, issued on Sept. 30, was assigned to MongoDB Inc. (New York).

"Systems and methods for hiding response volume with encrypted multi-maps" was invented by Marilyn George (Brooklyn, N.Y.), Seny Kamara (New York) and Tarik Moataz (Brooklyn, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A volume hiding structured encryption system and method is provided. According to some embodiments, the system leverages the principle that a STE scheme can leak cumulative information about the query volumes of the data stored in multi-map format, while still hiding the volumes of client queries at query time. According to various examples, the system implemen...