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Virus Definitions & Security Updates

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File-Based Protection (Traditional Antivirus)

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: 5/23/2013
Definitions Released: 5/23/2013
Extended Version: 5/23/2013 rev. 3
Definitions Version: 150523c
Sequence Number: 144419
Number of Signatures: 22,952,351
Details: Release History
Download: Definitions  

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Threat Intelligence

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