Symantec Corporation

David Cowings

Sanford Jensen

Ken Schneider

Art Medlar

David Hoogstrate

Dylan Morss

Sandy Jensen

Ren Chin

Carlin Wiegner

Mark Bruno

Systems and methods for filtering fraudulent email messages are described. In one embodiment, a method includes receiving an email message, determining whether the email message is indicative of fraud, and creating a fraud filter based on the email message if the email message is fraudulent.

System and method for filtering fraudulent email messages

Systems and methods for filtering spam messages utilizing a URL filtering module are described. In one embodiment, the method includes detecting, in an incoming message, data indicative of a URL and comparing the URL from the incoming message with URLs characterizing spam. The method further includes determining whether the incoming message is spam based on the comparison of the URL from the incoming message with the URLs characterizing spam.

System and method for filtering spam messages utilizing URL filtering module

A method and system for creating bulk filters are described. In one embodiment, the method includes receiving probe email messages indicative of spam, grouping similar probe email messages, and creating a bulk filter for each group having at least a predefined number of probe email messages without human interaction. The method further includes distributing the resulting bulk filters to clients for detection of bulk email messages at the clients.

Method and apparatus for certifying mass emailings

A method and system to maintain lists of IP addresses for detection of email spam are described. In one embodiment, the method includes receiving email messages from senders associated with Internet Protocol (IP) addresses, filtering the email messages to identify spam, and sending statistics pertaining to the email messages and the identified spam to a server. The method further includes receiving, from the server, IP address lists generated based on the statistics, and filtering new email messages using the IP address lists. The IP address lists received from the server may include a list of safe IP addresses, a list of suspect IP addresses and a list of open proxy IP addresses.

Method and apparatus for maintaining reputation lists of IP addresses to detect email spam

A method and system for a character-based document comparison are described. In one embodiment, the method includes receiving an email message and determining a level of noise present in the message. The level of noise present in the email message is then utilized to determine whether the message is indicative of spam.

Growing community of inventors

El Cerrito, CA, United States of America

David Cowings