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 531 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 531 is 20120114.005 and its description was last modified on January 16, 2012 6:39:57 PM PST.

Security Update 531 adds coverage for the following vulnerabilities and threats:

• Web Attack: Malicious Javascript Website 4:
  This signature detects attempts to exploit machine through malicious JavaScript.
  
  

Security Update 531 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 Javascript Website 2:
  This signature detects attempts to exploit machine through malicious JavaScript.
  
  
• Web Attack: Blackhole Exploit Kit Website 11:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious Java Download 13:
  This signature detects attempts to download malicious JAR files
  
  
• Web Attack: Malicious Javascript Website 3:
  This signature detects attempts to exploit machine through malicious JavaScript.