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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

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Multiple Daily Updates Learn More

  • Symantec Endpoint Protection 11
  • Norton AntiVirus 2008 and newer
Virus Definitions created 19/11/09
Virus Definitions released 19/11/09
Defs Version: 111120ax
Sequence Number: 102749
Extended Version: 19/11/09 rev. 50
Total Detections (Threats & Risks): 5344668

Daily Updates Learn More

  • Symantec AntiVirus
  • Norton AntiVirus 2006/2007
Virus Definitions created 19/11/09
Virus Definitions released 19/11/09
Defs Version: 111120e
Sequence Number: 102722
Extended Version: 19/11/09 rev. 5
Total Detections (Threats & Risks): 5338466

Weekly Updates Learn More

Virus Definitions released 17/11/09

Symantec Endpoint Protection Security Updates Learn More

Proactive Threat Protection: 19/11/09 rev. 19
Network Threat Protection: 11/11/09 rev. 1
Norton AntiVirus for Mac Virus Definitions released 19/11/09
Symantec AntiVirus for Handhelds Virus Definitions released 26/10/09

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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