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 510 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 510 is 20111208.001 and its description was last modified on December 8, 2011 9:42:23 PM PST.

Security Update 510 adds coverage for the following vulnerabilities and threats:

• System Infected: HTTP Tidserv Download Request 3:
  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.
  
  
• 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.
  
  

Security Update 510 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Malicious Toolkit Website 10:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious Toolkit Variant Activity 26:
  This signature detects attempt to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Fake App Attack: Fake AV Website 14:
  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.
  
  
• Fake App Attack: Fake AV Redirect 21:
  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.
  
  

Security Update 510 removes coverage for the following vulnerabilities and threats:

• System Infected: Trojan Downloader Activity 3:
  This signature detects suspicious activities associated with the download of malware which may result in the compromise of the host.