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 483 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 483 is 20111026.030 and its description was last modified on October 26, 2011 3:15:36 PM PDT.

Security Update 483 adds coverage for the following vulnerabilities and threats:

• System Infected: Worm W32.VBNA.b Activity:
  Worm Win32.VBNA.b is a network-aware worm infection, which is also regarded by many experts as cloaked malware.
  
  
• System Infected: Dirt Jumper DDOS Bot Activity:
  This signature detects Dirt Jumper DDOS bot activity on the infected machine.
  
  

Security Update 483 provides updated coverage for the following vulnerabilities and threats:

• Attack: Trojan Gen2 Executable:
  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.
  
  
• 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: Facebook LikeJacking 13:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  
• Web Attack: Malicious Executable Download 2:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.