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 615 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 615 is 20120516.001 and its description was last modified on May 16, 2012 5:31:07 PM PDT.

Security Update 615 adds coverage for the following vulnerabilities and threats:

• System Infected: Trojan Downloader Activity 2:
  This signature detects suspicious activities associated with the download of malware which may result in the compromise of the host.
  
  

Security Update 615 provides updated coverage for the following vulnerabilities and threats:

• Web Attack: Embed Tag NPDSPlay DLL Buffer Overflow:
  This signature detects attempts to exploit a buffer overflow vulnerability in the NPDSPLAY.DLL.
  
  
• Malicious Site: Malicious Web Site, Domain, or URL 2:
  You have attempted to visit a known malicious web site, domain or IP address. Visiting this web site could potentially put you at risk to becoming infected. Symantec's Network Threat Protection solution has prevented any potential infection attempts from occurring. You should not have to take any additional actions and are safe from infection. It is recommended that you do NOT visit this site.
  
  
• 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.
  
  
• 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 JAR File Download 6:
  This signature detects attempts to download malicious JAR files.
  
  
• Web Attack: Malicious Toolkit Website 18:
  This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.