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 473 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 473 is 20111012.034 and its description was last modified on October 12, 2011 3:38:18 PM PDT.

Security Update 473 adds coverage for the following vulnerabilities and threats:

• Web Attack: Facebook LikeJacking Attack 20:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  
• Web Attack: Mass Iframe Injection Attack 3:
  It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.
  
  

Security Update 473 provides updated coverage for the following vulnerabilities and threats:

• Malicious Site: Trojan.Gen.2:
  This signature detects file downloads associated with Trojan.Gen.2.
  
  
• Malicious Site: Trojan.ADH.2:
  This signature detects file downloads associated with Trojan.ADH.2.