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 634 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 634 is 20120613.001 and its description was last modified on June 12, 2012 7:52:43 PM PDT.

Security Update 634 adds coverage for the following vulnerabilities and threats:

• Web Attack: MSIE MSXML CVE-2012-1889:
  This signature detects a maliciously crafted website attempting to exploit a remote code execution vulnerability in Microsoft XML Core Services.