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 578 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 578 is 20120327.002 and its description was last modified on March 27, 2012 1:04:00 PM PDT.

Security Update 578 provides updated coverage for the following vulnerabilities and threats:

• System Infected: Malicious Trojan Request 2:
  This signature detects attempts to post stolen information from victim's machine to the hacker controlled servers.
  
  
• Web Attack: Malicious Java Download 13:
  This signature detects attempts to download malicious JAR files
  
  
• Web Attack: Blackhole Toolkit Website 14:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Mass Injection Website:
  It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.
  
  
• Web Attack: Malicious Java File Download 9:
  This signature detects attempts to download malicious JAR files