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Symantec.com > Business > Security Response > Virus Definitions & Security Updates
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Virus Definitions & Security Updates

Top Threats
Accurate and up-to-date information on the top threats.

Virus Definitions

View threats newly detected or recently modified.

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Security Updates

Additional protection content for security products

All Security Updates by Product

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Get the latest virus definitions status

Multiple Daily Updates Learn More

  • Symantec Endpoint Protection 11
  • Norton AntiVirus 2008 and newer
Virus Definitions created 11/20/2009
Virus Definitions released 11/20/2009
Defs Version: 111120e
Sequence Number: 102722
Extended Version: 11/20/2009 rev. 5
Total Detections (Threats & Risks): 5338466

Daily Updates Learn More

  • Symantec AntiVirus
  • Norton AntiVirus 2006/2007
Virus Definitions created 11/20/2009
Virus Definitions released 11/20/2009
Defs Version: 111120e
Sequence Number: 102722
Extended Version: 11/20/2009 rev. 5
Total Detections (Threats & Risks): 5338466

Weekly Updates Learn More

Virus Definitions released 11/18/2009

Symantec Endpoint Protection Security Updates Learn More

Proactive Threat Protection: 11/20/2009 rev. 19
Network Threat Protection: 11/12/2009 rev. 1
Norton AntiVirus for Mac Virus Definitions released 11/20/2009
Symantec AntiVirus for Handhelds Virus Definitions released 10/27/2009

Certified Intelligent Updater

The Intelligent Updater virus definitions are fully tested and certified by Quality Assurance. Intelligent Updater is an alternate delivery method for certified definitions, which consists of an executable file that can be downloaded and run manually.

Frequently Asked Questions

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