ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,791, issued on Feb. 3, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Method and system for detecting unauthorized changes and activities in a corporate network using steganography" was invented by Sultan Saadaldean Alsharif (Al-Khobar, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method includes: continuously generating, by a server on an enterprise network, an instance of a secret message encrypting information specific to a target system on the enterprise network; embedding, using steganography, the instance of the secret message on the target system, wherein the embedding is conducted when th...