ALEXANDRIA, Va., July 9 -- United States Patent no. 12,353,858, issued on July 8, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Compiler suppression of invisible trojan source code" was invented by Su Liu (Austin, Texas), Luis Osvaldo Pizana (Austin, Texas), Boyi Tzen (Taipei, Taiwan) and Saritha Arunkumar (Woodley, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer implemented method compiles a source code. A computer system loads the source code into a first memory. The computer system loads a rendered source code into a second memory, wherein the rendered source code is a rendered version of the source code. The computer system determines whether a difference ...