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 500 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 500 is 20111123.030 and its description was last modified on November 23, 2011 3:07:40 PM PST.

Security Update 500 adds coverage for the following vulnerabilities and threats:

• Web Attack: Facebook LikeJacking Attack 25:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  
• Web Attack: Facebook LikeJacking Attack 27:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  

Security Update 500 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Eleonore Executable Download:
  This signature detects attempts to download exploits from a Eleonore toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious Toolkit Website 9:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious Toolkit Website 10:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• 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.
  
  
• Web Attack: Malicious Exploit Kit Website 3:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• 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.
  
  
• Web Attack: Blackhole Exploit Kit Website 9:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.