Akamai：2014年Q2全球互联网发展状况报告（英文版）

akamai maintains a distributed set of agents deployed across the Internet that monitor attack traffic. Based on data ollected by these agents, Akamai is able to identify the top countries from which attack traffic originates, as well as the top portsargeted by these attacks. Note that the originating country as identified by the source ip address is not attribution ― for example, a criminal in Russia may be launching attacks from compromised systems in China. This section provides insight into p