Cyber-attacks have become commonplace in the modern connected world. Over the years, the geography and volume of attacks have evolved as the Internet itself has evolved.

Attack traffic now comes from every corner of the world, though some countries are responsible for more volume than others.

According to Akamai’s second-quarter 2013 “State of the Internet” report, Indonesia is now the top origination source for attack traffic, based on IP address. Indonesia is responsible for 38 percent of attack traffic, followed in second place by China, which accounts for 33 percent of attack traffic.

AlienVault’s Open Threat Exchange data for October provides a different viewpoint.

AlienVault reports that China has more malicious IP addresses than any other country in the world, followed in second place by the United States.

An increasingly common form of attack is the distributed denial-of-service (DDoS) attack, according to data from Arbor Networks, with the volume of high-bandwidth attacks steadily increasing. In this slide show, eWEEK examines key data points from the Akamai, AlienVault and Arbor Networks reports.

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