ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,853, issued on Jan. 27, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Retrospective campaign detection, categorization, classification, and remediation" was invented by Abhishek Singh (Morgan Hill, Calif.) and Omid Mirzaei (Reston, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes techniques and mechanisms to retroactively identifying, classifying, categorizing, and/or remediating campaigns by an email threat defense system. The described techniques may perform a time-series analysis on record data associated with emails and identify campaigns that have bypassed threat detection mechanisms. The described techn...