<A HREF="http://www.cio.com/article/134950/E_Mail_System_Attack_Caused_No_Damage_US_DOD_Says">A hacking attempt against the U.S. Department of Defense</A> unclassified email system earlier in the year caused minor administrative disruptions and personal inconveniences, but no adverse impact, a military spokesman said Tuesday.

The Financial Times, quoting unnamed officials on Monday, attributed the attacks to China's People's Liberation Army. Defense Department spokesman Maj. Patrick Ryder said he could not confirm the report.