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 511 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 511 is 20111209.002 and its description was last modified on December 9, 2011 4:45:12 PM PST.

Security Update 511 adds coverage for the following vulnerabilities and threats:

• Web Attack: Malicious Adobe U3d File Download:
  This signature will detect attempts to exploit a remote code-execution vulnerability in Adobe Reader.
  
  

Security Update 511 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.
  
  
• Web Attack: Malicious Java File Download 4:
  This signature detects attempts to download malicious JAR files
  
  
• 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: Facebook LikeJacking Attack 23:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  
• Web Attack: Oracle Java Rhino Script Engine CVE-2011-3544:
  This signature detects attempts to exploit Rhino Script Engine Remote Code Execution Vulnerability.