Here's some timely information.
[
nytimes.com...]
"The theft began with an instant message sent to a Google employee in China who was using Microsoft’s Messenger program, according to the person with knowledge of the internal inquiry, who spoke on the condition that he not be identified."
Here's a Wall Street Journal article:
[
online.wsj.com...]
This article finishes with an ominous paragraph:
"The group, which is believed to be Chinese and has been identified by investigators by its attack methods, has broadened its victims to include law firms and utility companies, this person said. It's been penetrating companies at a rate of at least 20-50 new companies a week, this person added."