Security contractor breach not detected for months

In this photo taken Oct. 17, 2014, the USIS building in Falls Church, Va. A cyber-attack similar to previous hacker intrusions from China penetrated computer networks for months at USIS, the government's leading security clearance contractor, before the company noticed the break-in, officials and others familiar with an FBI investigation and related official inquiries told The Associated Press.

http://ift.tt/1A6iQKd