Security Updates give the most recent protection content for Norton Internet Security, which protect networked critical systems and remote and mobile users from unwanted network intrusions and hackers, as well as from viruses, Trojans, and worms.

To download and install the Security Update 480 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 480 is 20111021.030 and its description was last modified on October 21, 2011 4:04:17 PM PDT.

Security Update 480 adds coverage for the following vulnerabilities and threats:

• Web Attack: Adobe CVE-2011-2140:
  This signature detects a buffer overflow vulnerability in Adobe Flash Player.
  
  
• Web Attack: Malicious Injected Javascript 4:
  This signature detects attempts to exploit machine through malicious JavaScript.
  
  

Security Update 480 provides updated coverage for the following vulnerabilities and threats:

• Fake App Attack: Adware Installer Download:
  This signature detects a file installer download which may be associated with adware.
  
  
• Web Attack: Malicious Javascript:
  This signature detects attempts to exploit machine through malicious JavaScript.
  
  
• Fake App Attack: Fake AV Website 21:
  A Web based attack relating to misleading applications has been blocked. No further action is required, but you may wish to update your virus definitions and run a full system scan as a precautionary measure.
  
  
• Web Attack: Malicious Java Class Download 2:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Malicious Site: Gamevance!gen1:
  This signature detects downloads related to GameVance which may display advertisements.
  
  

Security Update 480 removes coverage for the following vulnerabilities and threats:

• Web Attack: Facebook LikeJacking Attack 17:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.