It's easier for assholes in some countries to launch DDoS attacks than it is for assholes in other countries.
With the one of the world's largest userbases of outdated IE with tons of ActiveX plugins, South Korea sure is a nice place to run a botnet.
On the other hand, most of the ISPs mentioned in the article are not Korean, so maybe it's a bit more complicated.
It's easier for assholes in some countries to launch DDoS attacks than it is for assholes in other countries.
With the one of the world's largest userbases of outdated IE with tons of ActiveX plugins, South Korea sure is a nice place to run a botnet.
On the other hand, most of the ISPs mentioned in the article are not Korean, so maybe it's a bit more complicated.