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Chinese Military Unit Hacked Hundreds of Computer Systems

  • Aired: 02/19/2013
  • 02:30
  • Expires: 03/21/2013
  • Rating: E
An intelligence report suggests that a secretive military unit has been hacking the computer systems of American corporations and organizations since 2006. President Obama highlighted the need for greater cyber security in his recent State of the Union address. Judy Woodruff reports.
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