US Patent Issued to CLOUDFLARE on June 3 for "Machine learning-based malicious attachment detector" (California, Maryland Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,453, issued on June 3, was assigned to CLOUDFLARE INC. (San Francisco).

"Machine learning-based malicious attachment detector" was invented by Torsten Zeppenfeld (Emerald Hills, Calif.), Javier Castro (Kensington, Md.) and YenHsiang Chang (Hayward, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving, from a pre-processor, an output file, the output file having been created by the pre-processor in response to input of an electronic file to the pre-processor, the electronic file being an attachment to an electronic mail message that is in-transit to a recipient computer on a network, the electronic file being a spreadsheet...