Hat tip to WoTR for an extensive commentary, with links, by a SME and starts with - even after the OPM "hack":
Discussion of China’s intelligence threat often seems over-hyped if not disconnected from reality. Apart from cyber intrusions, little evidence suggests Chinese intelligence deserves the credit for quality that it has received.
Link:http://warontherocks.com/2015/08/a-g...e-operations/?

A month ago the author wrote on the OPM matter:http://warontherocks.com/2015/07/chi...united-states/