John Markoff and David Barboza report:
A series of online attacks on Google and dozens of other American corporations have been traced to computers at two educational institutions in China, including one with close ties to the Chinese military, say people involved in the investigation.
They also said the attacks, aimed at stealing trade secrets and computer codes and capturing e-mail of Chinese human rights activists, may have begun as early as April, months earlier than previously believed.
Read more in the New York Times.
Update: One of the schools involved has now denied the allegations.