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 512 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 512 is 20111210.001 and its description was last modified on December 12, 2011 6:28:47 PM PST.

Security Update 512 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.
  
  
• Fake App Attack: Fake AV Download Request 2:
  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 Redirect 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 Exploit Kit Website 6:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  

Security Update 512 removes coverage for the following vulnerabilities and threats:

• MSIE CloneNode Uninitialized Memory Corruption:
  This signature detects an attempt to exploit a uninitialized memory corruption vulnerability in Internet Explorer which may result in remote code execution.