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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: 5/26/2015
  • Definitions Released: 5/26/2015
  • Extended Version: 5/26/2015 rev. 2
  • Definitions Version: 170526b
  • Sequence Number: 164603
  • Number of Signatures: 38,617,819

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