American-Sino relations just took a sharp turn for the worse with the recent revelation by a U.S. cybersecurity firm that China's government is involved in massive cyberattacks on U.S. targets. The main perpetrator of these attacks appears to be a highly specialized Chinese People's Liberation Army (PLA) military unit in Shanghai skilled in breaching vulnerable U.S. computer systems through Internet intrusion.
On Sept. 23, a top Chinese security official and Politburo member, Zhou Yongkang, made a surprise four-hour visit to Kabul during which time he reportedly met with Afghan President Hamid Karzai.
