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 617 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 617 is 20120518.001 and its description was last modified on May 18, 2012 2:46:09 PM PDT.

Security Update 617 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Mass Iframe Injection Attack 2:
  It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.
  
  
• Web Attack: Malicious Java Download 13:
  This signature detects attempts to download malicious JAR files
  
  
• Web Attack: Exploit Toolkit Website 3:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Exploit Toolkit Website 5:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.