Patents by Inventor Jonathan Zdziarski

Jonathan Zdziarski 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).

  • Patent number: 8719352
    Abstract: A system derives a reputation for a plurality of network addresses, the reputation of each network address determined by analyzing a plurality of high-level email features related to one or more emails originating from the network address. The plurality of high-level email features include domain registration analysis, hashed term frequency indexing, persistent communication, address age, correlation analysis, zombie detection, and hash vault matching.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: May 6, 2014
    Assignee: McAfee, Inc.
    Inventors: Sven Krasser, Dmitri Alperovitch, Yuchun Tang, Yuanchen He, Jonathan Zdziarski, Mark Gilbert
  • Publication number: 20110191423
    Abstract: A system derives a reputation for a plurality of network addresses, the reputation of each network address determined by analyzing a plurality of high-level email features related to one or more emails originating from the network address. The plurality of high-level email features include domain registration analysis, hashed term frequency indexing, persistent communication, address age, correlation analysis, zombie detection, and hash vault matching.
    Type: Application
    Filed: January 29, 2010
    Publication date: August 4, 2011
    Applicant: McAfee, Inc.
    Inventors: Sven Krasser, Dmitri Alperovitch, Yuchun Tang, Yuanchen He, Jonathan Zdziarski, Mark Gilbert
  • Publication number: 20070195779
    Abstract: Methods and systems for operation upon one or more data processors to filter communications of users in accordance with content-based policy.
    Type: Application
    Filed: May 15, 2006
    Publication date: August 23, 2007
    Applicant: CIPHERTRUST, INC.
    Inventors: Paul Judge, Phyllis Schneck, Weilai Yang, Jonathan Zdziarski
  • Publication number: 20070130350
    Abstract: Methods and systems for operation upon one or more data processors for assigning reputation to web-based entities based upon previously collected data.
    Type: Application
    Filed: January 24, 2007
    Publication date: June 7, 2007
    Applicant: SECURE COMPUTING CORPORATION
    Inventors: Dmitri Alperovitch, Tomo Foote-Lennox, Paula Greve, Paul Judge, Sven Krasser, Tim Lange, Phyllis Schneck, Martin Stecher, Yuchun Tang, Jonathan Zdziarski
  • Publication number: 20060251068
    Abstract: Computer-implemented systems and methods for identifying illegitimate messaging activity on a system using a network of sensors.
    Type: Application
    Filed: June 9, 2006
    Publication date: November 9, 2006
    Applicant: CIPHERTRUST, INC.
    Inventors: Paul Judge, Dmitri Alperovitch, Sven Krasser, Phyllis Schneck, Jonathan Zdziarski