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 641 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 641 is 20120628.001 and its description was last modified on June 28, 2012 3:23:18 PM PDT.

Security Update 641 adds coverage for the following vulnerabilities and threats:

• Web Attack: Microsoft Excel CVE-2012-0105:
  This signature detects attempt to exploit a remote code execution vulnerability in Microsoft Excel application.
  
  

Security Update 641 provides updated coverage for the following vulnerabilities and threats:

• 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: 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.