US Patent Issued to Proofpoint on April 8 for "Systems and methods for email campaign domain classification" (California Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,811, issued on April 8, was assigned to Proofpoint Inc. (Sunnyvale, Calif.).

"Systems and methods for email campaign domain classification" was invented by Hung-Jen Chang (Fremont, Calif.), Gaurav Mitesh Dalal (Fremont, Calif.) and Ali Mesdaq (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A domain processing system receives or collects raw data containing sample domains each having a known class identity indicating whether a domain is conducting an email campaign. The domain processing system extracts features from each of the sample domains and selects features of interest from the features, including at least a feature particular...