CHina has cyber attacked the US many times. Clark alledges that China looked over North Korea's shoulder during one such cyber attack. Making it look ike another country is respondsible is one of the main camoflage techniques.

One of the most interesting facts presented was that when US Banks asked Microsoft to allow them to view the MS operating code so they might guard against back doors more effectively, Microsoft said NO.
But when China demanded the code with the threat of not buying Microsoft operating systems, good ol greedy Bill Gates said "YES you may have it all". and they got it.

The Pentagon has about 1000 people in their 'Cyber Control' unit.

If only Apple had struck a deal with the US Federal Goverment, we would be 99% more secure. Instead Apple walked out over a proprioetary dispute and lost a 60 billion dollar contract to Gates fast and dirty Windows OS.