ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,421, issued on May 27, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Ransomware safe filesystem (RSFS)" was invented by Anirban Karmakar (Midnapore Town, India) and Ganeswara Viswa Srimaan Amam (Hyderabad, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preventing unauthorized access to a filesystem begins by configuring a data table in association with the filesystem. The table comprises a set of metadata for each application registered to access the filesystem. A filesystem driver uses information in the table to manage access to the filesystem. In particular, and in response to receipt of a filesystem ac...