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 516 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 516 is 20111219.001 and its description was last modified on December 19, 2011 3:16:43 PM PST.

Security Update 516 adds coverage for the following vulnerabilities and threats:

• Fake App Attack: Fake AV Redirect 29:
  A Web based attack relating to misleading applications has been blocked. No further action is required, but you may wish to update your virus definitions and run a full system scan as a precautionary measure.
  
  
• Attack: Measuresoft SCADA Command Execution:
  This signature detects an attempt to a remote command execution vulnerability in Measuresoft SCADA application.
  
  
• Web Attack: HP Easy Printer CVE-2011-2404:
  This signature detects attempts to exploit Remote Code Execution in HP Easy Printer.
  
  
• Web Attack :Oracle Autovue SaveViewStateToFile():
  This signature detects attempts to exploit file overwrite in Oracle AutoVue
  
  

Security Update 516 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Blackhole Exploit Kit Website 11:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  
• System Infected: HTTP Tidserv Download Request 4:
  Your computer is infected - Action is recommended, see response section for further details on how to run the removal tool.
  
  This IPS signature is designed to detect and block the network communications initiated by Backdoor.Tidserv to prevent the threat from receiving additional commands and further updates even when antivirus might not be able to detect the infection.