US Patent No: 7,941,490

Number of patents in Portfolio can not be more than 2000

Method and apparatus for detecting spam in email messages and email attachments

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Abstract

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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.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SYMANTEC CORPORATIONMOUNTAIN VIEW, CA2025

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cowings, David O - 1 9

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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2007/0143,432 System for processing electronic mail messages with specially encoded addresses 14 2007
 
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GOODMAIL SYSTEMS INC. (1)
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SOUND VIEW INNOVATIONS, LLC (1)
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SUN MICROSYSTEMS, INC. (4)
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EXAFLOP LLC (1)
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2003/0097,451 Personal data repository 94 2001
 
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2004/0064,736 Method and apparatus for detecting malicious code in an information handling system 75 2003
2004/0123,157 Method, system, and computer program product for security within a global computer network 88 2003
2004/0187,023 Method, system and computer program product for security in a global computer network transaction 94 2004
* 2005/0108,339 Method and apparatus for filtering email spam using email noise reduction 22 2004
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2006/0288,076 Method and apparatus for maintaining reputation lists of IP addresses to detect email spam 36 2005
 
MICROSOFT CORPORATION (3)
5,956,481 Method and apparatus for protecting data files on a computer from virus infection 248 1997
6,161,130 Technique which utilizes a probabilistic classifier to detect "junk" e-mail by automatically updating a training and re-training the classifier based on the updated training set 593 1998
* 7,272,853 Origination/destination features and lists for spam prevention 112 2003
 
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YAHOO! INC. (1)
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Intermind Corporation (1)
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SOPHOS PLC (1)
* 2005/0041,789 Method and apparatus for filtering electronic mail 23 2004
 
GOZOOM.COM, INC. (1)
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BRIGHT RESPONSE, LLC (1)
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MICROSOFT TECHNOLOGY LICENSING, LLC (9)
5,438,433 System and method for facsimile cover page storage and use 95 1994
6,230,156 Electronic mail interface for a network server 97 1998
* 2004/0221,062 Message rendering for identification of content features 41 2003
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* 2005/0256,930 Progressive de-featuring of electronic messages 2 2004
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MAILFRONTIER, INC. (1)
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BRIGHT MAIL INCORPORATED (1)
6,654,787 Method and apparatus for filtering e-mail 395 1998
 
GOOGLE INC. (2)
6,546,416 Method and system for selectively blocking delivery of bulk electronic mail 273 1998
* 7,472,163 Bulk message identification 20 2002
 
ADVANCED MESSAGING TECHNOLOGIES, INC. (2)
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6,073,165 Filtering computer network messages directed to a user's e-mail box based on user defined filters, and forwarding a filtered message to the user's receiver 300 1997
 
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7,395,657 Flade gas turbine engine with fixed geometry inlet 12 2003
 
KENDALL, SAMUEL C. (1)
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GEOTRUST, INC. (1)
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7,315,893 Method and apparatus for filtering messages based on context 7 2002
 
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6,023,723 Method and system for filtering unwanted junk e-mail utilizing a plurality of filtering mechanisms 395 1997
* 6,421,709 E-mail filter and method thereof 453 1999
 
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2004/0230,820 Method and apparatus for encrypted communications to a secure server 28 2001
 
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6,438,125 Method and system for redirecting web page requests on a TCP/IP network 79 1999
 
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5,809,242 Electronic mail system for displaying advertisement at local computer received from remote system while the local computer is off-line the remote system 417 1996
 
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2004/0177,120 Method for filtering e-mail messages 187 2003
 
RPX CORPORATION (1)
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EBAY INC. (1)
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AT&T CORP. (3)
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MCAFEE, INC. (6)
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7,093,121 Transferring data via a secure network connection 20 2002
6,732,157 Comprehensive anti-spam system, method, and computer program product for filtering unwanted e-mail messages 187 2002
 
PHILIPS ELECTRONICS NORTH AMERICA CORPORATION (1)
6,330,588 Verification of software agents and agent activities 94 1998
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 8,966,620 Campaign detection 0 2010
 
PSM MERGER SUB (DELAWARE), INC. C/O THOMA BRAVO, LLC (1)
8,661,545 Classifying a message based on fraud indicators 0 2012
 
Websense Hosted R&D Limited (1)
8,881,277 Method and systems for collecting addresses for remotely accessible information sources 0 2008
 
SONICWALL, INC. (1)
* 8,191,148 Classifying a message based on fraud indicators 5 2009
 
AOL INC. (1)
* 2013/0018,906 Systems and Methods for Providing a Spam Database and Identifying Spam Communications 0 2011
 
KASPERSKY LAB ZAO (1)
* 2013/0268,470 SYSTEM AND METHOD FOR FILTERING SPAM MESSAGES BASED ON USER REPUTATION 0 2012
 
WEBSENSE, INC. (1)
8,615,800 System and method for analyzing web content 1 2006
 
SYMANTEC CORPORATION (1)
8,402,102 Method and apparatus for filtering email spam using email noise reduction 1 2010
 
WEBSENSE U.K. LIMITED (2)
* 8,244,817 Method and apparatus for electronic mail filtering 0 2008
8,799,388 Method and apparatus for electronic mail filtering 0 2012
 
MCAFEE, INC. (2)
* 8,719,352 Reputation management for network content classification 0 2010
* 2011/0191,423 REPUTATION MANAGEMENT FOR NETWORK CONTENT CLASSIFICATION 1 2010
* Cited By Examiner

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