U.S. firms face ongoing espionage from China... Google's decision Tuesday to risk walking away from the world's largest Internet market may have come as a shock, but security experts see it as the most public admission of a top IT problem for U.S. companies: ongoing corporate espionage originating from China. (more)
Espionage has many tentacles. Computer Hacking is only one of them. Hack attacks are the new thing and currently has press attention. A few years ago, Competitive Intelligence snatched the headlines. These diversions distract attention from basic every-day spy techniques: electronic surveillance (bugs & taps); physical intrusions, moles, social engineering, etc..
Google, like most large corporations, should have a holistic counterespionage strategy in place... one which they don't discuss publicly. The counterespionage element of these corporate security programs takes into account all spying techniques.