Patents by Inventor Patrick J. St. John

Patrick J. St. John has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for typosquat detection and alerting
    Patent number: 12726516
    Abstract: An embodiment of the present invention is directed to a typosquat detection system configured to: receive SMTP telemetry data from enterprise email communications; extract domain names and email addresses from the SMTP telemetry data; access a domain observation cache that stores previously observed domains and email addresses with corresponding observation context information to determine one or more newly observed domains and email addresses; route the one or more newly observed domains to a domain typosquat detector subsystem that applies a first set of filters and a first string similarity algorithm to determine whether to generate a domain typosquat alert; route the one or more newly observed email addresses to a webmail typosquat detector subsystem that applies a second set of filters and a second string similarity algorithm to determine whether to generate a webmail typosquat alert; and transmit alerts for analyst review and triage.
    Type: Grant
    Filed: March 9, 2026
    Date of Patent: September 1, 2026
    Assignee: Morgan Stanley Services Group Inc.
    Inventors: Russell A. Moriarty, Joseph T. Edmonds, Eric A. Mudge, Patrick J. St. John