The last report issued by Chinas Computer Emergency Response Team (CNCERT) blames US for the majority of malware based attacks against the Chinese systems. Nearly 15,000 hosts were hacked by attackers that used APT Trojan, nearly 61,000 sites were infected with backdoor by foreign hackers in 2013. The number of backdoor-based attack raised by 62 per cent in the same period. The CERT also warned of the consequences of hacktivism, groups like Anonymous caused serious problem for Chinese organizations.”]
Source: http://securityaffairs.co/wordpress/23580/hacking/chinese-cncert-blames-us.html