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 561 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 561 is 20120305.001 and its description was last modified on March 6, 2012 8:06:45 AM PST.

Security Update 561 adds coverage for the following vulnerabilities and threats:

• Web Attack: Facebook Free Credits:
  This signature will detect malicious web pages using manual sharing as spreading vector.
  
  
• Fake App Attack: Fake Scan Webpage 3:
  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: Facebook Manual Share 6:
  This signature will detect malicious web pages using manual sharing as spreading vector.
  
  

Security Update 561 provides updated coverage for the following vulnerabilities and threats:

• 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: Facebook LikeJacking 13:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  
• Web Attack: Oracle Java Rhino Script Engine CVE-2011-3544 3:
  This signature detects attempts to exploit Rhino Script Engine Remote Code Execution Vulnerability.
  
  
• Web Attack: Blackhole Toolkit Website 14:
  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.