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Mac trojan horse virus enters through Java enabled browser

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Multiple virus attacks have been reported recently which have attacked companies like Twitter, Facebook, and Apple.

It seems these are different virus types but the most recent virus can actually open a backdoor in Mac computers for hackers to attack.  This type of virus is called a trojan horse.  The virus infects computers through various means.  Earlier virus attacks were through email attachments however this most recent virus attacks through a browser enabled to run Java when a user visits infected websites.

Java versus Javascript

Java is an Object-Oriented Programming (OOP) language which follows portability methodologies that allow a developer to compile the code to "write once and run everywhere".  JavaScript however runs within the browser and is not compiled.  It is used often with HTML5 and CSS to build web applications or multi-platform applications.

Details from Oracle's website

Listed are key differences between Java and JavaScript.

  • Java is an OOP programming language while Java Script is an OOP scripting language.
  • Java creates applications that run in a virtual machine or browser while JavaScript code is run on a browser only.
  • Java code needs to be compiled while JavaScript code is all in text.
  • They require different plug-ins.

The distinction between Java and Javascript is made here because this virus infects through Java and a new Java plug-in is required as referenced in MacWorld.

Preventing this Virus

To protect your computer from this virus one also can disable Java within your browser:

  1. In Safari
  2. Click Safari
  3. Click Security
  4. Remove the check mark on "Enable Java"

For more details about this Trojan Virus reference The Safe Mac posted February 19th, 2013. Also watch for Java updates from Apple.

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Andy is the co-founder and innovator behind the iHomeEducator, Inc. apps.  Through the last two decades Andy held management and marketing positions in services, R&D, business development, and product marketing with various high tech telecommunications companies.  Andy holds a B.S. and M.S. in Computer/Electrical Engineering from Purdue University with a focus in artificial intelligence and robotics.

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