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 651 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 651 is 20120713.001 and its description was last modified on July 13, 2012 2:50:14 PM PDT.

Security Update 651 adds coverage for the following vulnerabilities and threats:

• Web Attack: Blackhole Toolkit Website 30:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  

Security Update 651 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Malicious JAR Download 2:
  This signature detects an attempt to detect vulnerability in Java which may result in remote code execution.