ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,100, issued on July 28, was assigned to NetApp Inc. (San Jose, Calif.).

"Creation and retention of immutable snapshots to facilitate ransomware protection" was invented by Tijin George (Sunnyvale, Calif.), Vijay Srinath (Bangalore, India) and Ling Zheng (Saratoga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for creation and retention of immutable snapshots to facilitate ransomware protection are provided. According to one embodiment, multiple use cases for retention of snapshots are supported, including (i) maintaining a locked snapshot on a source volume of a first storage system on which it was originally created for ...