Security Updates give the most recent protection content for NIS product, 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 434 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 434 is 20110815.030 and its description was last modified on August 15, 2011 7:26:32 PM PDT.

Security Update 434 provides updated coverage for the following vulnerabilities and threats:

• Attack: Whisker/Libwhisker Scan:
  This signature indicates the use of Whisker or tools using libwhisker for IDS evasion of HTTP attacks.
  
  
• Web Attack: Exploit Kit Variant Activity:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• HTTP Malicious Trojan Request 2:
  This signature detects attempts to post stolen information from victim's machine to the hacker controlled servers.
  
  
• Fake App Attack: Misleading Application Suspicious Notification:
  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: Misleading Application Suspicious Notification 2:
  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.