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 671 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 671 is 20120810.001 and its description was last modified on August 10, 2012 5:26:51 PM PDT.

Security Update 671 adds coverage for the following vulnerabilities and threats:

• Web Attack: Malicious JAR Download:
  This signature detects an attempt to detect vulnerability in Java which may result in remote code execution.
  
  
• System Infected: Ascesso Trojan Activity:
  Trojan.Ascesso.B is a Trojan horse that sends spam emails and downloads other files from a remote location.
  
  

Security Update 671 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Blackhole Toolkit Website 2:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Malicious Exploit Kit Website 4:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.
  
  
• Web Attack: Mass Iframe Injection Website 10:
  It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.
  
  
• Web Attack: Blackhole Toolkit Website 20:
  This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.
  
  

Security Update 671 removes coverage for the following vulnerabilities and threats:

• OS Attack: SMB MS CVE-2011-0661 2:
  This signature detects attempts to exploit a remote code execution vulnerability in the SMB protocol.