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Security Update 493 for Norton Internet Security

Nov 15, 2011

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 493 you need to run LiveUpdate feature of Norton Internet Security product. Please note that LiveUpdate definition identifier of Security Update 493 is 20111112.030 and its description was last modified on November 14, 2011 2:42:15 PM PST.

Security Update 493 adds coverage for the following vulnerabilities and threats:

  • Web Attack: Blackhole Toolkit Activity 8:
    This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.

  • Web Attack: Malicious Toolkit Iframe Injection 7:
    It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.

  • Web Attack: Malicious Toolkit Iframe Injection 9:
    It is an attack where an iframe which points to a malicious site is injected in large number of clean websites.


Security Update 493 provides updated coverage for the following vulnerabilities and threats:
  • HTTP IE Attribute Handler Code Exec:
    This signature detects a remote code execution vulnerability in the Microsoft Internet Explorer.

  • Web Attack: Malicious Toolkit Website 9:
    This signature detect attempts to download exploits from a malicious toolkit which may compromise a computer through various vendor vulnerabilities.

  • System Infected: Cycbot Backdoor:
    Cycbot is a backdoor trojan that allows attackers unauthorized access and control of an affected computer

  • Web Attack: Blackhole Exploit Kit Website 11:
    This signature detects attempts to download exploits from Blackhole toolkit that may compromise a computer through various vendor vulnerabilities.

  • System Infected: FakeAV System Security Activity 2:
    This signature detects FakeAV download activity over HTTP.


Symantec Corporation
www.symantec.com

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