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Internet Explorer Vulnerability Discovered

May 1, 2014  |  by Data Center Services

Internet SecurityA previously unknown security flaw, present in Internet Explorer, has recently been discovered. This flaw has been used in limited attacks across the internet; these attacks have targeted Internet Explorer 9, 10, and 11 (though Internet Explorer 6, 7, and 8 are vulnerable as well). The attacks also require the presence of Adobe’s Flash player, and can be used to install malicious software on a user’s computer.

To fall prey to the attack, a user would need all of the following to be true:

  1. Use Internet Explorer
  2. Have Flash installed and enabled
  3. Visit a malicious website with code designed to take advantage of this vulnerability

Many news outlets and even Homeland Security has suggested that users stop using Internet Explorer until Microsoft issues a patch. They could just as easily suggest that users disable Flash, but the impact would be too severe (many websites would stop working). Similarly, simply not using Internet Explorer is not an option for everyone because many websites still require or work best with Internet Explorer. MRIS’ Data Center Services team has reviewed the issue and generated some recommendations for MRIS customers to help you balance security and productivity. (NOTE: All MRIS servers are safe.)

Here are some steps that can be taken to reduce your chances of falling victim to this attack:

  1. Remember: always think before you click, and avoid random/unexpected links or attachments
  2. Ensure antivirus software is installed and updated
  3. Use Chrome or Firefox for websites that do not require Internet Explorer

Further reading on this topic:

https://technet.microsoft.com/en-US/library/security/2963983

http://www.fireeye.com/blog/uncategorized/2014/04/new-zero-day-exploit-targeting-internet-explorer-versions-9-through-11-identified-in-targeted-attacks.html

Posted in Blog, Featured, IT and Security

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One response to “Internet Explorer Vulnerability Discovered”

  1. Garry from MRIS says:

    Folks please note that Microsoft released a patch for this yesterday afternoon. You will want to run Windows Updates on your systems to get this patch. Have a great weekend.

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