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 608 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 608 is 20120507.001 and its description was last modified on May 7, 2012 3:15:16 PM PDT.

Security Update 608 adds coverage for the following vulnerabilities and threats:

• Web Attack: Fake Plugin Download Website:
  This signature detects attempts to download Fake Browser extensions on the user's machine.
  
  

Security Update 608 provides updated coverage for the following vulnerabilities and threats:

• DNS Spakrab Activity:
  This signature detects Backdoor.Spakrab Activity.
  
  
• Fake App Attack: Adware Installer Download:
  This signature detects a file installer download which may be associated with adware.
  
  
• Web Attack: Blackhole Toolkit Website 12:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  
• System Infected: Backdoor Trojan DNS Request:
  This signature detects malicious Backdoor Trojan activity on the compromised computer.
  
  
• Web Attack: Malicious Executable Download 2:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious Injected Javascript 10:
  This signature detects attempts to exploit machine through malicious JavaScript.
  
  
• Web Attack: Facebook LikeJacking Attack 31:
  This signature will detect malicious web pages which are used for facebook likejacking attacks.
  
  
• 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 JAR File Download 6:
  This signature detects attempts to download malicious JAR files.
  
  
• Malicious Site: Malicious Domain Request 8:
  This signature detects a request to specific domains which characteristically has been known to host malicious exploits and executable files.
  
  
• Web Attack: Incognito Toolkit Website 2:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.