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Virus Definitions & Security Updates

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Download Virus Definitions

Multiple Daily Updates   Learn More
Symantec Endpoint Protection 11
Norton AntiVirus 2008 and newer
Virus Definitions created May 9
Virus Definitions released May 9
Defs Version: 100509u
Sequence Number: 81387
Extended Version: 5/9/2008 rev. 21
Total Viruses Detected: 74090

Daily Updates   Learn More
Symantec AntiVirus
Norton AntiVirus 2006/2007
Virus Definitions created May 9
Virus Definitions released May 9
Defs Version: 100509d
Sequence Number: 81376
Extended Version: 5/9/2008 rev. 4
Total Viruses Detected: 74085

Weekly Updates released May 7   Learn More

Norton AntiVirus for Mac Defs released May 8

Symantec AntiVirus for Handhelds Defs released April 9