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 663 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 663 is 20120731.001 and its description was last modified on July 31, 2012 3:26:07 PM PDT.

Security Update 663 adds coverage for the following vulnerabilities and threats:

• Web Attack: IrfanView CVE-2012-0897:
  This signature detects attempts to exploit a stack based buffer overflow vulnerability in IrfanView.
  
  
• Web Attack: Mass Injection Website 7:
  It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.
  
  
• Web Attack: Exploit Toolkit Website 11:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  

Security Update 663 provides updated coverage for the following vulnerabilities and threats:

• Fake App Attack: Fake AV Redirect 29:
  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: Blackhole Toolkit Website 2:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious JAR File Download 6:
  This signature detects attempts to download malicious JAR files.
  
  
• Web Attack: Mass Injection Website 2:
  It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.
  
  
• System Infected: Bebloh Trojan Activity 2:
  Bebloh is a Trojan horse that modifies security settings in Internet Explorer.