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To stay secure you should be running the most recent version of your licensed product and have the most up-to-date security content. Use this page to make sure your security content is current.
Select product:
- Norton Internet Security 2009 for Windows XP/Vista
- Norton 360 (later than 6.0) for Windows XP/Vista/7/8
- Norton 360 version 1.0 for Windows XP/Vista
- Norton 360 version 2.0 for Windows XP/Vista
- Norton 360 version 3.0 for Windows XP/Vista
- Norton 360 version 4.0 for Windows XP/Vista/7
- Norton 360 version 5.0 for Windows XP/Vista/7
- Norton 360 version 6.0 for Windows XP/Vista/7
- Norton AntiVirus (later than 2012) for Windows XP/Vista/7/8
- Norton AntiVirus 2007 for Windows XP/Vista
- Norton AntiVirus 2008 for Windows XP/Vista
- Norton AntiVirus 2009 for Windows XP/Vista
- Norton AntiVirus 2010 for Windows XP/Vista/7
- Norton AntiVirus 2011 for Windows XP/Vista/7
- Norton AntiVirus 2012 for Windows XP/Vista/7
- Norton AntiVirus for Macintosh 10.x
- Norton AntiVirus for Macintosh 11.x
- Norton AntiVirus for Macintosh 12.x
- Norton Internet Security (later than 2012) for Windows XP/Vista/7/8
- Norton Internet Security 2007 for Windows XP/Vista
- Norton Internet Security 2008 for Windows XP/Vista
- Norton Internet Security 2009 for Windows XP/Vista
- Norton Internet Security 2010 for Windows XP/Vista/7
- Norton Internet Security 2011 for Windows XP/Vista/7
- Norton Internet Security 2012 for Windows XP/Vista/7
- Norton Internet Security for Macintosh 4.x
- Norton Internet Security for Macintosh 5.x
- Norton Mobile Security for Android
- Norton Smartphone Security for WM/Symbian
A valid support contract is required to obtain the latest content. To renew your product license, see the License Renewal Center.
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: 6/17/2013
Definitions Released: 6/17/2013
Extended Version: 6/17/2013 rev. 21
Definitions Version: 150617u
Sequence Number: 145141
Number of Signatures: 23,166,946
Details:
Release History
Download: 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.
Definitions Released: 6/17/2013
Extended Version: 6/15/2013 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.
SONAR
Download: Content is downloaded by your product via LiveUpdate.