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Virus Definitions & Security Updates

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File-Based Protection (Traditional Antivirus)

File-Based Protection
Traditional signature and heuristic file scanning engines form the backbone of Symantec’s security solutions; these engines use dozens of techniques to scan files for both known as well as unknown threats.
Definitions Created: 5/15/2012
Definitions Released 5/15/2012
Extended Version: 5/15/2012 rev. 24
Definitions Version: 140515x
Sequence Number: 134311
Number of Signatures: 18,395,172
Details: Release History
Download: Virus Definitions  

Network-Based Protection (IPS)

Network-Based Protection
Technologies designed to block attacks just as they transition from the network cable or wireless network to the computer, before they have a chance to establish residency in a physical file on a user’s computer. Also called Network Threat Protection.
Extended Version: 5/15/2012 rev. 1
Details:
Download: Content is downloaded by your product via LiveUpdate.

Behavior-Based Protection

Behavior-Based Protection
Behavioral-based protection technology observes actively running threats on your computer and can terminate running programs if they exhibit malicious behaviors; this technology provides proactive protection from entirely new, previously unseen attacks. Also called Proactive Threat Protection.
Extended Version: 5/8/2012 rev. 11
Download: Content is downloaded by your product via LiveUpdate.

Reputation-Based Protection (Insight)

Reputation-Based Protection
Blocks access to malicious files and websites based on the “crowd-based” wisdom of over 175M+ million customers.
Latest Published Content:
Download: Content is accessed by your product via the Symantec data cloud.

Other Protection

Other Protection
Other forms of security content necessary to the operation of this product.

Support

Additional information for this product, including links to online forums, can be found in the Support section of our site:

ThreatCon

Level 1: Normal

Level 1: Normal

Learn more about threat levels

Threat Intelligence

RT @symantec: #ISTR chat starts in 30 minutes. Join @drdriveby and @KPHaley. See you there!
RT @symantec: One more day until #ISTR Twitter chat. Join us at 10am PT on May 15 to talk about Symantec’s latest findings:  http://t.co/ ...
Monday
Bitcoinica hacker brazenly left hidden message 'expect mass leak soon' in 21 stolen transaction values.
Saturday
 

Response Blogs

Rise of .in URLs in Spam Mon, 14 May 2012 12:19:03
Save the Date: ISTR 17 Twitter Chat Wed, 9 May 2012 12:26:30
Microsoft Patch Tuesday - May 2012 Tue, 8 May 2012 11:14:56