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 442 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 442 is 20110826.030 and its description was last modified on August 26, 2011 6:18:27 PM PDT.

Security Update 442 adds coverage for the following vulnerabilities and threats:

• System Infected: Backdoor DarkMoon Activity:
  This signature will detect network activities of Backdoor DarkMoon.
  
  
• Attack: Apple PICT file PnSize CVE-2011-0257:
  This Signature detects buffer-overflow exploitation in Apple QuickTime.
  
  

Security Update 442 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Malicious Encoded Response:
  This signature will detect malicious encoded response from compromised Web Servers.
  
  
• Web Attack: Firefox Remote Heap CVE-2010-3765:
  This signature detects attempt to exploit a buffer overflow vulnerability in the Mozilla Firefox
  
  
• Fake App Attack: Fake AV Website 9:
  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: Siberia Toolkit Activity 2:
  Siberia Toolkit compromises the machine by targeting various vendor vulnerabilities on the victim's machine.
  
  
• Attack: Adobe Embedded SWF CVE-2011-0611:
  This signature will detect attempts to exploit a remote code execution vulnerability in Adobe Flash Player.
  
  
• Web Attack: Facebook LikeJacking Attack 4:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.