ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,452, issued on June 3, was assigned to PC MATIC INC. (Sioux City, Iowa).

"Monitoring and validating file associations" was invented by Robert J. Cheng (Myrtle Beach, S.C.) and Matthew Quincy Riley (Owosso, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for computer security of a protected device that has a processor and an operating system software running on the processor includes security software that runs on the protected device and has local data for control of the security software. Upon initialization of the security software, the security software loads the local data and periodically reads file-type associations fro...