Norton Virus Definitions for Norton AntiVirus, Norton Internet Security, 360, Endpoint Protection, and Mail Security will ensure your Norton AntiVirus product contains the most up-to-date detection and prevention.

Norton Virus Definitions for Norton AntiVirus, Norton Internet Security, 360, Endpoint Protection, and Mail Security will ensure your Norton AntiVirus product contains the most up-to-date detection and prevention.

Download the latest Certified Virus Definition for Norton AntiVirus.

Newer update download supports:
Norton AntiVirus / Norton Internet Security (later than 2012)
Norton AntiVirus / Norton Internet Security 2008/2009/2010/2011/2012
Norton 360 (later than 6.0)
Norton 360 version 2.0/3.0/4.0/5.0/6.0
Symantec Endpoint Protection 11.0
Symantec Endpoint Protection Small Business Edition 12.0
Symantec Endpoint Protection 12.1
Symantec Protection Engine 7.x for Windows

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