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.

First, two links (32 and 64-bit) should work for most and cover:

Norton AntiVirus / Norton Internet Security (later than 2012, up to version 22.6.x.x)
Norton AntiVirus / Norton Internet Security 2008/2009/2010/2011/2012
Norton 360 (later than 6.0, up to version 22.6.x.x)
Norton 360 version 2.0/3.0/4.0/5.0/6.0
Norton Security (up to version 22.6.x.x)
Norton Security with Backup (up to version 22.6.x.x)
Symantec Endpoint Protection 12.1
Symantec Endpoint Protection 12.1.2 and later
Symantec Protection Engine 7.x for Windows
Symantec Mail Security for Domino v 7.x
Symantec Mail Security for Microsoft Exchange (32-bit)
Symantec Scan Engine 5.x for Windows
Symantec AntiVirus for Caching/Messaging/NAS for Windows

Similar:
What's the Best Antivirus and Is Windows Defender Good Enough

 Download