Highlighting the importance of the human element in hacking, Chinese hackers are sending malware-laden CDs to state officials. The CDs contain simple malware embedded in Word files that compromises the victims computer when opened. While it is unknown whether anybody inserted one of the CDs and opened files, the attempt was sufficiently significant to receive a full warning report from a government security organization. 

Source: Chinese “hackers” are sending malware via snail mail | TechCrunch