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 596 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 596 is 20120420.001 and its description was last modified on April 20, 2012 2:29:35 PM PDT.

Security Update 596 adds coverage for the following vulnerabilities and threats:

• Web Attack: Facebook Cookie Hijacking:
  This signature detects attempts to perform cookie hijacking on currently logged in Facebook session.
  
  
• Web Attack: Malicious Toolkit Website 18:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Attack: Microsoft Windows Office Assembly CVE-2012-0013:
  Microsoft Windows is prone to a remote code-execution vulnerability. An attacker can exploit this issue by tricking an unsuspecting victim into viewing a malformed file. Successful exploits can allow attackers to execute arbitrary code within the privileges of the user running the affected application. Note: This issue can also be exploited by embedding other file types such as Python ('.py') or '.jar' files, if the correct interpreter is installed on the vulnerable computer.
  
  

Security Update 596 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: Malicious Executable Download 2:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Mass Injection Website:
  It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.
  
  
• Web Attack: Malicious Toolkit Variant Activity 1:
  Malicious toolkits can exploit known vulnerabilities of the target system by using known vulnerabilities.