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 506 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 506 is 20111202.001 and its description was last modified on December 2, 2011 6:13:58 PM PST.

Security Update 506 adds coverage for the following vulnerabilities and threats:

• Fake App Attack: Fake AV Website 27:
  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.
  
  

Security Update 506 provides updated coverage for the following vulnerabilities and threats:

• 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.
  
  
• System Infected: Malicious File Download Request:
  This signature will detect attempt to download malicious files through HTTP requests.
  
  
• Web Attack: Facebook LikeJacking 13:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  
• Web Attack: Malicious Facebook Download:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.