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 477 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 477 is 20111018.030 and its description was last modified on October 18, 2011 3:25:28 PM PDT.

Security Update 477 adds coverage for the following vulnerabilities and threats:

• Web Attack: Malicious PDF File Download:
  This signature will detect attempts to download malicious PDF files which can perform various harmful activities on user's systems.
  
  
• System Infected: Aldi Bot Activity 2:
  This signature detects attempt to Aldi Bot activity over the network.
  
  

Security Update 477 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Malicious Toolkit Request:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious Javascript:
  This signature detects attempts to exploit machine through malicious JavaScript.
  
  
• Web Attack: Malicious Java Download Attack 5:
  This signature detects attempts to download malicious JAR files