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 642 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 642 is 20120629.001 and its description was last modified on June 29, 2012 2:38:58 PM PDT.

Security Update 642 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Malicious ZIP file download:
  This signature detects downloading of malicious exploit files contained inside a ZIP file.